What is "changge"

Changge ( Chinese: 长葛; Pinyin: Chánggě) is a city of Xuchang, Henan Province, China. In the Han Dynasty, it was known as Changshe . Changge(simplified Chinese:长葛）is a county-level city in the central of Henan province in China. It ranges in latitude from 34°09' to 34° 20'N and longitude from 113° 34' to 114°08'E. According to the sixth national population census in 2010, Changge's population is about 687,081. It borders the province capital Zhengzhou to the north, the ancient capital Luo Yang to the west and Kaifeng to the east, the city is about 21.4 kilometers from the north and South, and 51.9 kilometers east-west.