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 combined 100,000 acres were listed for sale in Hill County recently; the value of all Hill County land for sale was approximately $106 million. Hill County ranks 36th 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 Hill County through the Lands of America Comparable Sales Program. This represented a total value of $1,201,490. Among cities in Hill County with ranches, farms, hunting land and other rural land and acreage for sale, Whitney had the most land for sale. Hill County is Texas's 85th largest county (985 square miles). It's located in the Blacklands North Texas region of the state.