Harbin is located in the northeast of China and the southwest of Heilongjiang Province. It is the capital and sub-provincial city of Heilongjiang Province, and the political, economic and cultural center of northeast and north China. The city's land area is 53 1 0,000 square kilometers, and the total registered population at the end of 2022 is 9.395 million, of which the urban area is 1 0/0.98 square kilometers, and the population of the nine districts is 5519,000. With 45 ethnic minorities and various religious cultures, it is the only city in China where Buddhism, Taoism, Christianity, Catholicism, Islam and Orthodox Church coexist.

The postcode of Harbin is150000; Telephone area code: 0451; Area code: 230 100.