Territory: As of 2003 the territory of the city is 606 (377 sq mi) square kilometers, and 1 439 square kilometers (894 sq mi) with the suburbs. The length of the city from North to South is 44 kilometers, and 25 kilometers from West to East.
Highest elevation: 42 meters above the sea level (Poklonnaya Gora)
Neighbouring Russian regions: Leningrad Oblast, Novgorod Oblast, Vologda Oblast, Pskov Oblast, Kaliningrad Oblast and Republic of Karelia.
Population: According to the last census that took place in 2003, there are 4.7 mln people in St.Petersburg (which makes approximately 3% of the Russian population). Gender distribution: men - 45.1%, women - 54.9%.
Resources: Fresh surface waters and underground waters. The surface fresh waters are concentrated in the columbine of the water system "Lake Ladoga - the Neva River - the Neva Inlet - the Gulf of Finland". On the territory of the city and its environs there are sand and gravel quarries, pebble stones, sands, clays, sandstone, loamy soils, as well as peat (the resources make approximately 17.5 bin m3 of raw peat which is the equivalent of about 2 bin tons of dried peat).
Islands: The city is located on 44 islands formed by the Neva River and 90 more rivers and canals.
Bridges: The abundance of islands has led to the construction of a multitude of bridges. Of these, nowadays there are 308 within the city proper, and 534 if suburbs are included. 22 of the bridges are drawbridges. The total length of all the bridges is about 16 kilometers. The longest bridge across the Neva is the Alexander Nevsky Bridge (909 meters with runways), the widest bridge is the Siniy Bridge on the Moika River (99.5 meters).