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. The total value of land for sale in Hays County recently on Land.com was approximately $1 billion. This represents approximately 100,000 acres of land for sale in Hays County. Hays County ranks 40th in the Lone Star State for the total number of acres of land currently advertised for sale. There were three properties listed as sold in Hays County through the Land Network Comparable Sales Program. This represented a total value of $1,720,000. Wimberley featured the most land for sale. Hays County is the 225th largest county (679 square miles) in Texas. It's located in the Blacklands South Texas region of the state.