What is the ancient name of Heilongjiang?

Heilongjiang was called Heishui, Weak Water, Wanshui, Kaiyuan Road, Shuidada Road and Nurgandus in ancient times. Heilongjiang Province, referred to as "Hei" for short, is a provincial administrative region of China people. Heilongjiang Province is located in the northeast of China, facing Russia across the river in the north and east, bordering Inner Mongolia in the west and Jilin Province in the south. It is the northernmost and easternmost provincial administrative region in China.

Heilongjiang was called Heishui, Weak Water, Wanshui, Kaiyuan Road, Shuidada Road and Nurgandus in ancient times. Heilongjiang Province, referred to as "Hei" for short, is the provincial administrative region of China people. Heilongjiang Province is located in the northeast of China, facing Russia across the river in the north and east, bordering Inner Mongolia in the west and Jilin Province in the south. It is the northernmost and easternmost provincial administrative region in China.