Which country or empire fought on the side of the Entente in World War I?

Answer: The allies of world war I or entente powers were the coalition that opposed the central powers of Germany, Austria - Hungary, the Ottoman empire, and Bulgaria during the first world war.

The war was fought between two powerful groups. The opposing sides were: Germany, Austria-Hungary and their allies, including Bulgaria. Great Britain, France and Russia who were known as 'The Triple Entente'.