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. There was a total of $725 million of farms and ranches for sale in Texas's Blanco County recently on Land.com. The total of all Blanco County land and rural real estate for sale was approximately 100,000 acres. Blanco County ranks 54th out of 254 counties in the Lone Star State for the combined amount of land currently advertised for sale. There were two properties listed as sold in Blanco County through the Land Network Comparable Sales Program. This represented a total value of $750,000. 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 the 219th biggest county (713 square miles) in Texas. It's located in the Hill Country South Texas region of the state.