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. Land for sale in Coryell County, Texas, recently totaled around $319 million and around 100,000 acres. Coryell County ranks 67th in Texas for the total acreage of land currently advertised for sale. Among cities in Coryell County with farms, ranches, hunting land and other land for sale, 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 Texas.