Procurement Procedures

Procurements per:

Current Procurements

OPEN TENDER DESFA No 953/21

27 Dec 2021

FIELD AND OFF-SITE FABRICATION INSPECTION SERVICES FOR THE “ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE CONNECTION OF ELVAL PLANT TO THE NATIONAL NATURAL GAS TRANSMISSION SYSTEM”

INTERNATIONAL OPEN TENDER DESFA Nο. 955/21

11 Dec 2021

FIELD AND SHOP INSPECTION SERVICES FOR “HIGH PRESSURE PIPELINE TO WEST MACEDONIA” PROJECT

INTERNATIONAL OPEN TENDER DESFA Nο. 924/21

11 Nov 2021

REVIEW OF DETAILED ENGINEERING AND CONSTRUCTION SUPERVISION SERVICES FOR WORKS RELATED TO THE “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF AMPELIA COMPRESSOR STATION”

OPEN TENDER DESFA No 942/21 - BID DUE DATE EXTENSION

03 Nov 2021

ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE CONNECTION OF ELVAL PLANT TO THE NATIONAL NATURAL GAS TRANSMISSION SYSTEM

INTERNATIONAL OPEN TENDER DESFA Nο. 947/21

01 Nov 2021

SUPPLY OF NATURAL GAS QUANTITIES REQUIRED FOR THE OPERATIONAL GAS OFFSETTING IN THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM FOR THE PERIOD 01.01.2022 07:00 – 01.01.2023 07:00

INTERNATIONAL OPEN TENDER DESFA Nο. 925/21

29 Oct 2021

FIELD AND OFF-SITE FABRICATION INSPECTION SERVICES FOR WORKS RELATED TO THE “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF THE AMPELIA COMPRESSOR STATION” PROJECT

INTERNATIONAL OPEN TENDER DESFA Nο. 949/21

06 Oct 2021

FIELD AND OFF-SITE FABRICATION INSPECTION SERVICES FOR THE “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF THE NEW QUAYWALL FOR SMALL SCALE LNG CARRIERS AT REVITHOUSSA LNG TERMINAL”

OPEN TENDER DESFA No 942/21

04 Oct 2021

ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE CONNECTION OF ELVAL PLANT TO THE NATIONAL NATURAL GAS TRANSMISSION SYSTEM

INTERNATIONAL OPEN TENDER DESFA Nο. 944/21

12 Aug 2021

Supply of LNG Quantity for Offsetting Operational Needs (Operating gas) of the LNG Terminal for the period 01.01.2022 07:00 – 01.01.2023 07:00

INTERNATIONAL OPEN TENDER DESFA Nο. 943/21

12 Aug 2021

SUPPLY OF LNG QUANTITY FOR BALANCING SERVICES OF THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM FOR THE PERIOD 01.01.2022 07:00 – 01.01.2023 07:00

INTERNATIONAL OPEN TENDER DESFA Nο. 940/21

23 Jul 2021

PROCUREMENT OF STEEL PIPES FOR THE CONNECTION OF ELVAL PLANT TO THE NATIONAL NATURAL GAS TRANSMISSION SYSTEM

ΙINTERNATIONAL OPEN TENDER DESFA Nο. 941/21

20 Jul 2021

SUPPLY OF STEEL PIPES FOR THE HIGH-PRESSURE PIPELINE TO WEST MACEDONIA

INTERNATIONAL OPEN TENDER DESFA No 922/20 - BID DUE DATE EXTENSION

07 Jul 2021

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF AMPELIA COMPRESSOR STATION

INTERNATIONAL OPEN TENDER DESFA No 936/21 - BID DUE DATE EXTENSION

27 Jun 2021

Procurement of two 12 inch LNG Loading Arms (2x12’’) and one 12 inch Bog Return Arm (1x12’’) for the project «NEW QUAYWALL FOR SSLNG CARRIERS AT REVITHOUSSA LNG TERMINAL»

ΙINTERNATIONAL OPEN TENDER DESFA Nο. 939/21

19 Jun 2021

SUPPLY OF NATURAL GAS QUANTITIES REQUIRED FOR THE OPERATIONAL GAS OFFSETTING IN THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM FOR THE PERIOD 01.08.2021 07:00 – 01.01.2022 07:00

INTERNATIONAL OPEN TENDER DESFA No 934/21

10 Jun 2021

Review of Detailed Engineering and Construction Supervision Services for Works related to the "DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A NEW QUAYWALL FOR SMALL SCALE LNG CARRIERS AT REVITHOUSSA LNG TERMINAL” project

INTERNATIONAL OPEN TENDER DESFA No 936/21

07 Jun 2021

Procurement of two 12 inch LNG Loading Arms (2x12’’) and one 12 inch Bog Return Arm (1x12’’) for the project «NEW QUAYWALL FOR SSLNG CARRIERS AT REVITHOUSSA LNG TERMINAL»

INTERNATIONAL OPEN TENDER DESFA No 922/20

29 May 2021

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF AMPELIA COMPRESSOR STATION

INTERNATIONAL OPEN TENDER DESFA No 918/20 - BID DUE DATE EXTENSION

23 Apr 2021

REVIEW OF DETAILED ENGINEERING AND CONSTRUCTION SUPERVISION SERVICES FOR THE “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF NEA MESSIMVRIA CΟMPRESSOR STATION UPGRADE”

INTERNATIONAL OPEN TENDER DESFA No 921/20

12 Apr 2021

FIELD AND OFF-SITE FABRICATION INSPECTION SERVICES FOR THE “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF NEA MESSIMVRIA COMPRESSOR STATION UPGRADE” PROJECT

INTERNATIONAL OPEN TENDER DESFA No 918/20

02 Apr 2021

REVIEW OF DETAILED ENGINEERING AND CONSTRUCTION SUPERVISION SERVICES FOR THE “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF NEA MESSIMVRIA CΟMPRESSOR STATION UPGRADE”

INTERNATIONAL OPEN TENDER DESFA No 913/20 - BID DUE DATE EXTENSION

22 Mar 2021

PROCUREMENT OF TWO 12 INCH LNG LOADING ARMS (2X12’’) AND ONE 12 INCH BOG RETURN ARM (1X12’’) FOR THE PROJECT "NEW QUAYWALL FOR SSLNG CARRIERS AT REVITHOUSSA LNG TERMINAL"

INTERNATIONAL OPEN TENDER DESFA No 913/20

22 Feb 2021

PROCUREMENT OF TWO 12 INCH LNG LOADING ARMS (2X12’’) AND ONE 12 INCH BOG RETURN ARM (1X12’’) FOR THE PROJECT "NEW QUAYWALL FOR SSLNG CARRIERS AT REVITHOUSSA LNG TERMINAL"

OPEN TENDER DESFA No 923/21

04 Feb 2021

MAINTENANCE OF LNG SYSTEM AND ITS FACILITIES AT REVITHOUSSA ISLAND – Υ21

OPEN TENDER DESFA No 919/20 - BID DUE DATE EXTENSION

04 Jan 2021

MAINTENANCE OF NATIONAL NATURAL GAS TRANSMISSION SYSTEM AND ITS FACILITIES –Υ21

OPEN TENDER DESFA No 919/20

01 Dec 2020

MAINTENANCE OF NATIONAL NATURAL GAS TRANSMISSION SYSTEM AND ITS FACILITIES –Υ21

INTERNATIONAL OPEN TENDER DESFA No 890/19 - BID DUE DATE EXTENSION

26 Nov 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF BOG COMPRESSION STATION AT REVITHOUSSA LNG TERMINAL

INTERNATIONAL OPEN TENDER DESFA No 910/20 - BID DUE DATE EXTENSION - AMENDMENT

20 Nov 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A NEW QUAYWALL FOR SMALL SCALE LNG CARRIERS AT REVITHOUSSA LNG TERMINAL

INTERNATIONAL OPEN TENDER DESFA No 890/19 - BID DUE DATE EXTENSION

16 Nov 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF BOG COMPRESSION STATION AT REVITHOUSSA LNG TERMINAL

INTERNATIONAL OPEN TENDER DESFA No 915/20 - BID DUE DATE EXTENSION

06 Nov 2020

Replacement of Metering and Supervision/Control Systems at NNGTS M and M/R Stations

INTERNATIONAL OPEN TENDER DESFA No 890/19 - BID DUE DATE EXTENSION

30 Oct 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF BOG COMPRESSION STATION AT REVITHOUSSA LNG TERMINAL

INTERNATIONAL OPEN TENDER DESFA No 910/20

22 Oct 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A NEW QUAYWALL FOR SMALL SCALE LNG CARRIERS AT REVITHOUSSA LNG TERMINAL

Application Due Date Extension Inq.917/20

14 Oct 2020

Supply of LNG Quantity for Balancing Services of the Hellenic Natural Gas Transmission System for the period 01.01.2021 07:00 – 01.01.2022 07:00

INTERNATIONAL OPEN TENDER DESFA No 915/20

09 Oct 2020

Replacement of Metering and Supervision/Control Systems at NNGTS M and M/R Stations

INTERNATIONAL OPEN TENDER DESFA No 890/19

05 Oct 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF BOG COMPRESSION STATION AT REVITHOUSSA LNG TERMINAL

INTERNATIONAL OPEN TENDER DESFA NO. 917/20

10 Sep 2020

Supply of LNG Quantity for Balancing Services of the Hellenic Natural Gas Transmission System for the period 01.01.2021 07:00 – 01.01.2022 07:00

INTERNATIONAL OPEN TENDER DESFA Νο.916/20

10 Sep 2020

Supply of LNG Quantity for Operating Gas Offsetting of the LNG Terminal for the period 01.01.2021 07:00 – 01.01.2022 07:00

INTERNATIONAL OPEN TENDER DESFA No 896/20 - BID DUE DATE EXTENSION

18 Jun 2020

UPGRADE OF PHYSICAL SECURITY OF DESFA FACILITIES/ PHYSICAL SECURITY CONTROL CENTER

INTERNATIONAL OPEN TENDER DESFA No 896/20

15 May 2020

UPGRADE OF PHYSICAL SECURITY OF DESFA FACILITIES/ PHYSICAL SECURITY CONTROL CENTER

INTERNATIONAL OPEN TENDER DESFA No 830/18

11 May 2020

FIELD & OFF-SITE FABRICATION INSPECTION SERVICES FOR THE: “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL”

INTERNATIONAL OPEN TENDER DESFA No 807/18

11 May 2020

REVIEW OF DETAILED ENGINEERING AND CONSTRUCTION SUPERVISION SERVICES FOR THE: “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL”

INTERNATIONAL OPEN TENDER DESFA No 901/20 - BID DUE DATE EXTENSION

11 May 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF THE NEA MESSIMVRIA COMPRESSOR STATION UPGRADE and FIVE YEARS MAINTENANCE AND ADVISORY SERVICES

OPEN TENDER DESFA No 885/19 - BID DUE DATE EXTENSION

16 Apr 2020

CONSTRUCTION OF THE TECHNICAL TRAINING CENTRE IN NEA MESSIMVRIA OF THESSALONIKI

INTERNATIONAL OPEN TENDER DESFA No 901/20

04 Apr 2020

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF THE NEA MESSIMVRIA CΟMPRESSOR STATION UPGRADE and FIVE YEARS MAINTENANCE AND ADVISORY SERVICES

OPEN TENDER DESFA No 885/19

13 Mar 2020

CONSTRUCTION OF THE TECHNICAL TRAINING CENTRE IN NEA MESSIMVRIA OF THESSALONIKI

INTERNATIONAL OPEN TENDER No. 898/20 - BID DUE DATE EXTENSION

26 Feb 2020

SUPPLY OF NATURAL GAS QUANTITY REQUIRED FOR THE OPERATIONAL GAS OFFSETTING IN THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM DURING THE PERIOD 01.04.2020 07:00 – 01.01.2022 07:00

INTERNATIONAL OPEN TENDER DESFA No. 897/20 APPLICATION - DUE DATE EXTENSION

26 Feb 2020

Supply of LNG Quantity for Balancing Services of the Hellenic Natural Gas Transmission System for the period 01.04.2020 07:00 – 01.01.2021 07:00

International Open Tender No 897/20

19 Feb 2020

Supply of LNG Quantity for Balancing Services of the Hellenic Natural Gas Transmission System for the period 01.04.2020 07:00 – 01.01.2021 07:00

International Open Tender No 898/20

19 Feb 2020

Supply Of Natural Gas Quantity Required for The Operational Gas Offsetting in the Hellenic Natural Gas Transmission System During

INTERNATIONAL OPEN TENDER DESFA No 871/19 - BID DUE DATE EXTENSION

11 Dec 2019

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF THE NEA MESSIMVRIA COMPRESSOR STATION UPGRADE

OPEN TENDER DESFA No 755/17

25 Nov 2019

SUPPLY OF 31 TURBINE METERS FOR MEASURING ACCURACY IMPROVEMENT AT N.N.G.T.S. M/R STATIONS

INTERNATIONAL OPEN TENDER DESFA No 871/19

18 Nov 2019

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF THE NEA MESSIMVRIA COMPRESSOR STATION UPGRADE

OPEN TENDER DESFA No 879/19

13 Nov 2019

MAINTENANCE OF NATURAL GAS TRANSMISSION SYSTEM OF TAP AG AND ITS FACILITIES LOCATED IN GREEK TERRITORY

OPEN TENDER DESFA No 753/17 - BID DUE DATE EXTENSION

07 Oct 2019

OFFSHORE PIPELINE INSPECTION AND CATHODIC PROTECTION SYSTEM SURVEY WITH ROV

OPEN TENDER DESFA No 753/17

11 Sep 2019

OFFSHORE PIPELINE INSPECTION AND CATHODIC PROTECTION SYSTEM SURVEY WITH ROV

INTERNATIONAL OPEN TENDER DESFA No 867/19

29 Jul 2019

BASIC ENGINEERING PACKAGE AND ASSOCIATED STUDIES FOR THE INSTALLATION OF AMPELIA COMPRESSOR STATION

OPEN TENDER DESFA No 824/18

01 Jul 2019

CONSTRUCTION SUPERVISION SERVICES FOR THE: “DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA – THESSALONIKI”

INTERNATIONAL OPEN TENDER DESFA No 826/18 - BID DUE DATE EXTENSION

10 May 2019

BASIC AND DETAILED ENGINEERING DESIGN FOR SMALL SCALE LNG INFRASTRUCTURE AT THE PORTS OF PATRA, IGOUMENITSA AND IRAKLEIO - GREECE

INTERNATIONAL OPEN TENDER DESFA No 826/18

11 Apr 2019

BASIC AND DETAILED ENGINEERING DESIGN FOR SMALL SCALE LNG INFRASTRUCTURE AT THE PORTS OF PATRA, IGOUMENITSA AND IRAKLEIO - GREECE

INTERNATIONAL OPEN TENDER DESFA No. 787/18/DDP- BID DUE DATE EXTENSION

26 Oct 2018

INTELLIGENT PIG INSPECTION PROJECT OF NATIONAL NATURAL GAS TRANSMISSION SYSTEM (NNGTS)

INTERNATIONAL OPEN TENDER DESFA No. 810/18/DDP- APPLICATION DUE DATE EXTENSION

06 Oct 2018

SUPPLY OF LNG QUANTITY FOR BALANCING SERVICES OF THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM DURING THE YEARS 2019 AND 2020

INTERNATIONAL OPEN TENDER DESFA 809/18/DDP – BID DUE DATE EXTENSION

06 Oct 2018

SUPPLY OF NATURAL GAS QUANTITY REQUIRED FOR THE OPERATIONAL GAS OFFSETTING IN THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM DURING THE YEARS 2019 AND 2020

INTERNATIONAL OPEN TENDER DESFA No. 787/18/DDP

04 Oct 2018

INTELLIGENT PIG INSPECTION PROJECT OF NATIONAL NATURAL GAS TRANSMISSION SYSTEM (NNGTS)

International Open Tender DESFA No.810/18/DDP

25 Sep 2018

Supply of LNG Quantity for Balancing Services of the Hellenic Natural Gas Transmission System during the Years 2019 and 2020

INTERNATIONAL OPEN TENDER DESFA 809/18/DDP

26 Sep 2018

SUPPLY OF NATURAL GAS QUANTITY REQUIRED FOR THE OPERATIONAL GAS OFFSETTING IN THE HELLENIC NATURAL GAS TRANSMISSION SYSTEM DURING THE YEARS 2019 AND 2020

International Open Tender DESFA No 689/17 - Bid Due Date Extension

17 Sep 2018

REPLACEMENT OF SCADA SYSTEM

International Open Tender DESFA No 674/16 - Bid Due Date Extension

17 Sep 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL

International Open Tender DESFA No 788/18 - Bid Due Date Extension

17 Sep 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI

International Open Tender DESFA No 689/17 - Bid Due Date Extension

05 Sep 2018

REPLACEMENT OF SCADA SYSTEM

International Open Tender DESFA No 674/16 - Bid Due Date Extension

05 Sep 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL

Open Tender DESFA No 748/17 - Bid Due Date Extension

05 Sep 2018

BASIC ENGINEERING DESIGN AND RELATED STUDIES FOR THE INSTALLATION OF A NEW SEND-OUT BOG COMPRESSOR UNIT AT REVITHOUSSA LNG TERMINAL

International Open Tender DESFA No 788/18 - Bid Due Date Extension

05 Sep 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI

International Open Tender DESFA No 689/17 - Bid Due Date Extension

18 Jul 2018

REPLACEMENT OF SCADA SYSTEM

International Open Tender DESFA No 674/16 - Bid Due Date Extension

18 Jul 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL

Open Tender DESFA No 748/17 - Bid Due Date Extension

18 Jul 2018

BASIC ENGINEERING DESIGN AND RELATED STUDIES FOR THE INSTALLATION OF A NEW SEND-OUT BOG COMPRESSOR UNIT AT REVITHOUSSA LNG TERMINAL

International Open Tender DESFA No 788/18 - Bid Due Date Extension

18 Jul 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI

International Open Tender DESFA No 689/17 - Bid Due Date Extension

26 Jun 2018

REPLACEMENT OF SCADA SYSTEM

International Open Tender DESFA No 674/16 - Bid Due Date Extension

26 Jun 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL

Open Tender DESFA No 748/17 - Bid Due Date Extension

26 Jun 2018

BASIC ENGINEERING DESIGN AND RELATED STUDIES FOR THE INSTALLATION OF A NEW SEND-OUT BOG COMPRESSOR UNIT AT REVITHOUSSA LNG TERMINAL

International Open Tender DESFA No 788/18 - Bid Due Date Extension

26 Jun 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI

International Open Tender DESFA No 788/18 - Modification to the Initial Contact Notice

15 Jun 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI

International Open Tender DESFA No 689/17 - Bid Due Date Extension & Contract Notice Modification

14 Jun 2018

REPLACEMENT OF SCADA SYSTEM

Open Tender DESFA No 748/17 - Bid Due Date Extension

14 Jun 2018

BASIC ENGINEERING DESIGN AND RELATED STUDIES FOR THE INSTALLATION OF A NEW SEND-OUT BOG COMPRESSOR UNIT AT REVITHOUSSA LNG TERMINAL

International Open Tender DESFA No 788/18 - Bid Due Date Extension

07 Jun 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI

International Open Tender DESFA No 674/16 - Bid Due Date Extension

07 Jun 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION OF A LNG TRUCK LOADING STATION AT REVITHOUSSA TERMINAL

Open Tender DESFA No 748/17 - Bid Due Date Extension

29 May 2018

BASIC ENGINEERING DESIGN AND RELATED STUDIES FOR THE INSTALLATION OF A NEW SEND-OUT BOG COMPRESSOR UNIT AT REVITHOUSSA LNG TERMINAL

International Open Tender DESFA No 689/17

25 May 2018

REPLACEMENT OF SCADA SYSTEM

International Open Tender DESFA No 788/18

23 May 2018

DETAILED ENGINEERING, PROCUREMENT AND CONSTRUCTION FOR THE INTERCONNECTION BETWEEN TAP AND ΝNGTS PIPELINES AT THE AREA OF NEA MESSIMVRIA - THESSALONIKI