Bauchi is a city in northeast Nigeria, the Administrative center of Bauchi State, of the Bauchi Local Government Area within that State, and of the traditional Bauchi Emirate. It is located on the northern edge of the Jos Plateau, at an elevation of 616 m. The Local Government Area covers an area of 3,687 km2 and had a population of 493,810 in 2006.

Bauchi State is a state in the North-East geopolitical zone of Nigeria, bordered by Jigawa to the north, Yobe to the northeast, Gombe to the east, Taraba and Plateau to the south, Kaduna to the west and Kano to the northwest. It takes its name from the historic town of Bauchi, which also serves as its capital city. The state was formed in 1976 when the former North-Eastern State was broken up. It originally included the area that is now Gombe State, which became a distinct state in 1996.