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 almost 100,000 acres were listed for sale in Texas's Llano County recently; the overall value of all Llano County farms and ranches for sale was around $877 million. Llano County ranks 27th out of 254 counties in the Lone Star State for the total number of acres of land currently advertised for sale. There were six properties listed as sold in Llano County through the Land Network Comparable Sales Program. This represented a total value of $9,391,727. Of all farms, ranches, hunting land and other land for sale in Llano County, Horseshoe Bay featured the most land for sale. Based on its natural assets, tourism and recreation are important sectors for the Llano County economy. Llano County is Texas's 93rd largest county (965 square miles). It's located in the Highland Lakes Texas region of Texas.