A map showing the approximate locations of <a href="//commons.wikimedia.org/wiki/Natural_gas" title="Natural gas">natural gas</a> <a href="//commons.wikimedia.org/w/index.php?title=Pipeline&amp;action=edit&amp;redlink=1" class="new" title="Pipeline (page does not exist)">pipelines</a> in Greece]]: they run approximately from <a href="//commons.wikimedia.org/w/index.php?title=Alexandroupolis&amp;action=edit&amp;redlink=1" class="new" title="Alexandroupolis (page does not exist)">Alexandroupolis</a> to <a href="//commons.wikimedia.org/wiki/Thessaloniki" class="mw-redirect" title="Thessaloniki">Thessaloniki</a> and then fork into two directions, one going towards <a href="//commons.wikimedia.org/w/index.php?title=Igoumenitsa&amp;action=edit&amp;redlink=1" class="new" title="Igoumenitsa (page does not exist)">Igoumenitsa</a> (and later <a href="//commons.wikimedia.org/wiki/Italy" class="mw-redirect" title="Italy">Italy</a>) and the other towards <a href="//commons.wikimedia.org/wiki/Larissa" title="Larissa">Larissa</a>, <a href="//commons.wikimedia.org/w/index.php?title=Lamia&amp;action=edit&amp;redlink=1" class="new" title="Lamia (page does not exist)">Lamia</a>, <a href="//commons.wikimedia.org/w/index.php?title=Thiva&amp;action=edit&amp;redlink=1" class="new" title="Thiva (page does not exist)">Thiva</a>, <a href="//commons.wikimedia.org/wiki/Athens" title="Athens">Athens</a>, <a href="//commons.wikimedia.org/w/index.php?title=Corinth&amp;action=edit&amp;redlink=1" class="new" title="Corinth (page does not exist)">Corinth</a>, <a href="//commons.wikimedia.org/w/index.php?title=Nauplio&amp;action=edit&amp;redlink=1" class="new" title="Nauplio (page does not exist)">Nauplio</a>, and <a href="//commons.wikimedia.org/w/index.php?title=Tripolis&amp;action=edit&amp;redlink=1" class="new" title="Tripolis (page does not exist)">Tripolis</a>.  Note: this map also shows the planned <a href="//commons.wikimedia.org/w/index.php?title=Greece-Italy_pipeline&amp;action=edit&amp;redlink=1" class="new" title="Greece-Italy pipeline (page does not exist)">Greece-Italy pipeline</a> from Thessaloniki to Igoumenitsa which is not built yet.  Greece maintains a powerful energy industry with particular emphasis on natural gas, managed by the DEPA company.  This map is an approximation of the natural gas pipelines in Greece, based on information available from <a rel="nofollow" class="external free" href="http://www.depa.gr/files/downloadables/national-map-gr.pdf">http://www.depa.gr/files/downloadables/national-map-gr.pdf</a>
This derivative work is from <a rel="nofollow" class="external text" href="http://karastathis.org/">NSK Nikolaos S. Karastathis</a> (<a href="//commons.wikimedia.org/wiki/User:NSK_Nikolaos_S._Karastathis" title="User:NSK Nikolaos S. Karastathis">User:NSK Nikolaos S. Karastathis</a>); the original work upon this derivative work is based on was originally uploaded by ChrisO at en.wikipedia ( <a class="external free" href="https://en.wikipedia.org/wiki/User:ChrisO">http://en.wikipedia.org/wiki/User:ChrisO</a> ) and it was later uploaded on Wikimedia Commons by Sasa_Stefanovic ( <a class="external free" href="https://commons.wikimedia.org/wiki/User:Sasa_Stefanovic">http://commons.wikimedia.org/wiki/User:Sasa_Stefanovic</a> )
CC BY-SA 3.0
Derivative work based on <a class="external free" href="https://commons.wikimedia.org/wiki/File:Greece_outline_map.png">http://commons.wikimedia.org/wiki/File:Greece_outline_map.png</a>