One city on western edge of this region is known as La Villa Sur, and the city of Calama is located in the interior of this region where the Church of San Pedro is located. The Paranel Observatory is located in this region because there is little interference from artificial light or radio waves. Part of this region receives a fog known as the Camanchaca which produces enough moisture to support lichens and some cacti and the Loa River flows through this region. The Cordillera de la Sal are located in this region that is surrounded on the east by Cordillera Domeyko. This region is composed mainly of salt basins, sand 
One city on western edge of this region is known as La Villa Sur, and the city of Calama is located in the interior of this region where the Church of San Pedro is located. The Paranel Observatory is located in this region because there is little interference from artificial light or radio waves. Part of this region receives a fog known as the Camanchaca which produces enough moisture to support lichens and some cacti and the Loa River flows through this region. The Cordillera de la Sal are located in this region that is surrounded on the east by Cordillera Domeyko. This region is composed mainly of salt basins, sand and Felsic lava flows, which have led it to be compared to Mars, and parts of this region have not seen rain in over 400 years. For 10 points, name this driest desert in the world, located mostly in Chile.
One city on western edge of this region is known as La Villa Sur, and the city of Calama is located in the interior of this region where the Church of San Pedro is located.
Atacama Desert  