The central region of Texas covers the state's three largest cities: Houston, Dallas-Fort Worth and San Antonio. The limestone terrain of Texas Hill Country lies in Central Texas, as do the state's three largest rivers, the Trinity, the Brazos and the Colorado. A total of approximately 5,000 acres were listed for sale in Freestone County, Texas, recently, representing a total value of $96 million in Freestone County land for sale. Freestone County ranks 112th in the state for the total acreage of land currently advertised for sale. There were four properties listed as sold in Freestone County through the Land Network Comparable Sales Program. This represented a total value of $995,450. Fairfield had the most land for sale. Economically speaking, Freestone County's is largely dependent on mining and mineral extraction-related businesses and services. Freestone County is the 177th biggest county (891 square miles) in Texas. It's located in the Blacklands North Texas region of the state.