South Texas is typically classified as the area between the San Antonio metro area and south to the Rio Grande and Gulf of Mexico. Land for sale in Zavala County, Texas, recently totaled around $123 million and approximately 100,000 acres. Zavala County ranks 193rd out of 254 counties in the state for the total number of acres of land currently advertised for sale. Of all farms, ranches, and rural real estate for sale in Zavala County, Crystal City had the most land for sale. Zavala County is the 33rd largest county (1,301 square miles) in Texas. It's located in the Edwards Plateau South Texas region of Texas.