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 10,000 acres were listed for sale in Texas's Falls County recently, representing a combined nearly $48 million in Falls County farms, ranches, hunting land and other land for sale. Falls County ranks 147th in Texas for the total number of acres of land currently advertised for sale. There were two properties listed as sold in Falls County through the Lands of America Comparable Sales Program. This represented a total value of $578,750. Among cities in Falls County with farms, ranches, hunting land and other land for sale, Marlin featured the most land for sale. From an economic perspective, government and state-level services contribute most to Falls County's overall GDP. Falls County is Texas's 211th largest county (773 square miles). It's located in the Blacklands North Texas region of the state.