St. Petersburg is located in the northwest of Russia, along the Baltic Sea, at the mouth of Neva River, between 59 ~ 60 north latitude and 29 ~ 30 east longitude. It is a municipality directly under the central government of Russia, the capital of Leningrad, the central city of northwest Russia, an important land and water transportation hub of Russia, and the northernmost city with a population of over one million in the world, also known as the "northern capital" of Russia.

St Petersburg is the second largest city in Russia, with an area of 1439 square kilometers, of which the urban area is 606 square kilometers.

St. Petersburg was founded in 1703 and has a history of more than 300 years. Its name comes from St. Peter, a disciple of Jesus. 17 12 Peter the Great moved to Petersburg. For more than 200 years before 19 18, Petersburg has been the center of Russian culture, politics and economy. 1924 was renamed Leningrad in memory of Lenin, and199/kloc-0 was renamed St. Petersburg in. St Petersburg and the historical center are listed as World Heritage sites by UNESCO.

St Petersburg occupies an important position in Russian economy and is a large-scale comprehensive industrial city. St Petersburg is often called the most westernized city in Russia. It is Russia's window to Europe. Many foreign consulates, multinational corporations, banks and other commercial bases are located in St. Petersburg, which is also an international city with highly developed science, technology and industry.