黑龙江省,是以境内最大的河流黑龙江而得名。黑龙江古称黑水,汉代称弱水,唐代称望建河(室建河),辽金之后通称黑龙江,满语称“萨哈连乌拉”。“萨哈连”是“黑”的意思,“乌拉”是“江”的意思。黑龙江亦作乌龙江,或省文曰龙江。其实,黑龙江一词源于汉语,言其水呈黑色,状似游龙。黑龙江有南北两源,南源为额尔古纳河,其上源是发源于大兴安岭西坡的海拉尔河;北源为石勒喀河,其上 Heilongjiang Province is named after Heilongjiang, the largest river in the country. Heilongjiang ancient known blackwater, called weak water in the Han Dynasty, Tang Dynasty called Wang Jianhe (Room Jianhe), known as Heilongjiang after Liao and Jin, Manchu said “Sakhaliaula.” “Saharan” is the meaning of “black”, and “wula” means “river.” Heilongjiang also made Wulongjiang, or provincial Wenjiang Longjiang. In fact, the word derived from the Chinese Heilongjiang, saying the water was black, like a dragon. Heilongjiang has two sources of north and south, the source of the South Ergun River, the source is originated in the western slope of Daxinganling Hailar River; North Shurekha, on which