Which city is huanan county in Heilongjiang?

it's Jiamusi city. According to the Baidu map, huanan county is located in the northeast of Heilongjiang Province, in the middle of Jiamusi, Shuangyashan, Yilan and Qitaihe, and belongs to Jiamusi City, Heilongjiang Province. Heilongjiang Province is a provincial administrative region of the People's Republic of China, with Harbin as the capital. It is located in the northeast of China and the central region of Northeast Asia, facing Russia across the river in the north and east, adjacent to Inner Mongolia Autonomous Region in the west and Jilin Province in the south. The landform of Heilongjiang Province is characterized by "five mountains, one water, one grass and three fields", with the terrain generally high in the northwest, north and southeast, and low in the northeast and southwest. It is composed of mountains, platforms, plains and water surfaces.