Nanyang is a prefecture-level city in the southwest of Henan Province, People's Republic of China. The city with the largest administrative area in Henan, Nanyang borders Xinyang to the southeast, Zhumadian to the east, Pingdingshan to the northeast, Luoyang to the north, Sanmenxia to the northwest, the Province of Shaanxi to the west, and the Province of Hubei to the south. It has 10,263,006 inhabitants at the 2010 census whom 1,672,171 in the built up area made of 2 urban districts (Wolong and Wancheng). Dinosaur egg fossils have been discovered in the Nanyang Basin.