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 all farms and ranches for sale in Texas's Lee County recently was $107 million, representing a total of 6,460 acres of land for sale in Lee County. Lee County ranks 159th in Texas for the total number of acres 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 land and rural real estate for sale, Lexington featured the most land for sale. Lee County has a large agricultural economy, with 1,807 farms recorded in the county during the latest 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 Texas's 230th largest county (634 square miles). It's located in the Blacklands South Texas region of the state.