Luoyang is a prefecture-level city in the west of Henan province, China. It lies at the confluence of the Luo River and the Yellow River. The city borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast.
As of December 31, 2018, Luoyang had a population of 6,888,500 inhabitants, with 2,751,400 people living in the built-up area formed by five of the city's six urban districts together with Yanshi District, which later became conurbated. By the end of 2022, Luoyang Municipality had jurisdiction over 7 municipal districts, 7 counties and 1 development zone, and its permanent population was 7.079 million.