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 Caldwell County, Texas, recently totaled almost $342 million and almost 100,000 acres. Caldwell County ranks 81st out of 254 counties in the Lone Star State for the total number of acres of land currently advertised for sale. There were five properties listed as sold in Caldwell County through the Land Network Comparable Sales Program. This represented a total value of $3,114,000. Of all locations in Caldwell County with farms, ranches, and rural real estate for sale, Lockhart had the most land for sale. Caldwell County is Texas's 239th biggest county (547 square miles). It's located in the Blacklands South Texas region of Texas.