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 nearly 100,000 acres were listed for sale in Blanco County, Texas, recently; the value of all Blanco County ranches, farms, hunting land and other rural land and acreage for sale was nearly $808 million. Blanco County ranks 44th in Texas for the combined amount of land currently advertised for sale. There were three properties listed as sold in Blanco County through the Land Network Comparable Sales Program. This represented a total value of $2,301,175. Among cities in Blanco County with farms, ranches, hunting land and other land for sale, Blanco featured the most land for sale. Based on its natural assets, tourism and recreation are important contributors to the Blanco County economy. Blanco County is Texas's 219th biggest county (713 square miles). It's located in the Hill Country South Texas region of the state.