Ciudad Valles is the second-largest city in the Mexican state of San Luis Potosí. It is located in the eastern part of the state at 21°59?00?N 99°1?0?W.
Wikipedia

Mexico is a country between the U.S. and Central America that's known for its Pacific and Gulf of Mexico beaches and its diverse landscape of mountains, deserts and jungles. Ancient ruins such as Teotihuacán and the Mayan city of Chichén Itzá are scattered throughout the country, as are Spanish colonial-era towns. In capital Mexico City, upscale shops, renowned museums and gourmet restaurants cater to modern life.

Wikipedia