Qitaihe is a prefecture-level city in eastern Heilongjiang province, China. Covering an area 6,223 km2 (2,403 sq mi), it is geographically the smallest prefecture-level division of the province. Qitaihe also has the second smallest population of the cities in Heilongjiang. At the 2010 census, its total population was 920,419, while 620,935 live in the built up area made of 3 urban districts. In 20…