Chatham County is a county located in the Piedmont area of the U.S. state of North Carolina. It is also the location of the geographic center of North Carolina, northwest of Sanford. As of the 2020 census, the population was 76,285. Its county seat is Pittsboro.

Sanford is a city in Lee County, North Carolina, United States. The population was 30,261 at the 2020 census. It is the county seat of Lee County. The geographic center of North Carolina is located northwest of the city, in Chatham County.