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 approximately 100,000 acres were listed for sale in Grimes County, Texas, recently; the value of all Grimes County farms, ranches, and rural real estate for sale was approximately $435 million. Grimes County ranks 54th out of 254 counties in the Lone Star State for the total number of acres of land currently advertised for sale. There were 12 properties listed as sold in Grimes County through the Land Network Comparable Sales Program. This represented a total value of $18,355,489. Of all locations in Grimes County with farms, ranches, hunting land and other land for sale, Plantersville had the most land for sale. Manufacturing and related services are the largest economic sectors in Grimes County. Grimes County is Texas's 203rd biggest county (801 square miles). It's located in the Brazos Texas region of the state.