Mudanjiang (Chinese: 牡丹江; pinyin: Mǔdānjiāng; Manchu: Mudan bira) is a prefecture-level city in southernmost Heilongjiang province, People's Republic of China. It was called Botankou when it was under Japanese occupation. It serves as a regional communications hub with a railway junction and an international airport connecting with several major Chinese cities as well as Seoul, Korea. Mudanjiang is also an important border city, located only 248 km (154 mi) from Vladivostok, Russia. In 2011 Mudanjiang had a GDP of RMB 93.48 billion with a 15.1% growth rate.
Its population is 2,798,723 at the 2010 census whom 965,154 live in the built-up (or metro) area made of 4 urban districts. In 2007, the city is named China's top ten livable cities by Chinese Cities Brand Value Report, which was released at 2007 Beijing Summit of China Cities Forum.