Zapotlán del Rey is a town and municipality in Jalisco in west-central Mexico. The municipality covers an area of 400 km2. This town became popular back in the years due to multiple UFO sightings and alleged extraterrestrial beings known as the greys around the highschool and nearby farms to the highschool. Similar stories at nearby cities like Ocotlán, Jalisco. As of 2005, the municipality had a total population of 16,274.