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. The value of farms, ranches, hunting land and other land for sale in Texas's Washington County recently on Lands of America was approximately $255 million. This represents nearly 100,000 acres of land for sale in Washington County. Washington County ranks 44th in the Lone Star State for the total number of acres of land currently advertised for sale. There were eight properties listed as sold in Washington County through the Lands of America Comparable Sales Program. This represented a total value of $5,301,350. Brenham featured the most land for sale. Manufacturing and related services are the largest economic sectors in Washington County. Washington County is the 233rd biggest county (621 square miles) in Texas. It's located in the Brazos Texas region of the state.