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 almost 100,000 acres were listed for sale in San Saba County, Texas, recently; the overall value of all San Saba County land and rural real estate for sale was nearly $241 million. San Saba County ranks 135th in the Lone Star State for the combined amount of land currently advertised for sale. There were three properties listed as sold in San Saba County through the Land Network Comparable Sales Program. This represented a total value of $1,355,000. Of all farms and ranches for sale in San Saba County, San Saba featured the most land for sale. Agriculture and farming drives the San Saba County economy, with 744 farms recorded in the county during the U.S. Census in 2012. Farming activities in San Saba County generate annual revenues of $4 million, the majority of which comes from livestock products. San Saba County is Texas's 47th largest county (1,138 square miles). It's located in the Hill Country North Texas region of Texas.