Read more: Gazprom heads west

From Portugal in the west to Ukraine in the east Gazprom is expanding its presence in the European market.

For the European Union, this rapid development represents both an opportunity and an economic and political challenge. While Gazprom insists its motives are purely commercial, its critics say the state-controlled gas group often acts as a political instrument of the Kremlin. Our map shows the countries where Gazprom has interests. Click on a region to view a description of Gazprom’s holdings there