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 7,000 acres were listed for sale in Lee County, Texas, recently, representing a total value of $101 million in Lee County land and rural real estate for sale. Lee County ranks 160th out of 254 counties in the state for the combined amount of land currently advertised for sale. There were three properties listed as sold in Lee County through the Land Network Comparable Sales Program. This represented a total value of $1,807,520. Of all locations in Lee County with farms, ranches, and rural real estate for sale, Lexington had the most land for sale. Its economy is defined as agricultural, with 1,807 farms recorded in the county during the most recent U.S. Census. Farming activities in Lee County generate annual revenues of $2 million, the majority of which comes from livestock products. Lee County is the 230th biggest county (634 square miles) in Texas. It's located in the Blacklands South Texas region of the state.