St Pe ‧ ters ‧ burg /s ə nt ˈpiːtəzbɜːɡ $ seɪnt ˈpiːtərzbɜːrɡ/ BrE AmE
a city on the Baltic Sea which was the capital of Russia from 1712 to 1918. It was called Petrograd from 1914 to 1924, then ↑ Leningrad until 1991, and then after the end of the ↑ Soviet Union , it was given back its original name. St Petersburg is known for its wide streets and its beautiful buildings, and Russia's most famous ↑ museum , the Hermitage, is there.