Saint Petersburg, formerly known as Petrograd (Петроград) and later Leningrad (Ленинград), is the second-largest city in Russia, after Moscow, the nation's capital. It is situated on the River Neva, at the head of the Gulf of Finland on the Baltic Sea. With an area of 1,439 square kilometers, Saint Petersburg is the smallest administrative division of Russia by area. The city had a population of …