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 combined around 100,000 acres were listed for sale in Texas's Coryell County recently; the overall value of all Coryell County land and rural real estate for sale was $354 million. Coryell County ranks 67th in Texas for the total acreage of land currently advertised for sale. There were two properties listed as sold in Coryell County through the Land Network Comparable Sales Program. This represented a total value of $2,475,000. Of all farms, ranches, and rural real estate for sale in Coryell County, Copperas Cove featured the most land for sale. Government and state-level services are the main economic drivers in Coryell County. Coryell County is the 71st biggest county (1,056 square miles) in Texas. It's located in the Blacklands North Texas region of the state.