Khanka Lake (xìng kǎi hú 兴凯湖) is a transboundary freshwater body located on the border between Heilongjiang Province, Northeast China and Primorsky Krai (bīn hǎi biān jiāng qū 滨海边疆区) (the extreme South-Eastern region of Russia), Russia. It is situated 120 kilometers from Jixi. The area of the lake is 4,190 square kilometers of which 3,030 square kilometers are located in Russia, and 1,160 square kilometers in China. The lake supports high biodiversity (especially migratory birds) and is characterized by complex hydrology and naturally-occurring high turbidity, as well as a fragmented institutional authority responsible for its management. It is a remarkable site for nature protection, eco-tourism as well as scientific research (concerning bird migrations).