Luoyang (Chinese 洛陽 市 / 洛阳 市, pinyin Luoyang Shì) is a prefecture-level city in China's Henan Province. She is one of the four great ancient capitals of China, which exercised the capital function among several dynasties. Today it has developed into an important industrial city. It is located about 110 kilometers west of the provincial capital of Zhengzhou to the Southern Luo He. The administrative area of ​​the city covers an area of ​​15,492 and about 6,540,000 inhabitants (end of 2008).