Luoyang is a city located in the confluence area of Luo River and Yellow River in the west of Henan province. Governed as a prefecture-level city, it 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 the 12 31 2018 estimation, Luoyang had a population of 6,888,500 inhabitants with 2,178,500 people living in the built-up area made of the city's five urban districts, all of which except the Jili District are continuously urbanized.