Apatzingán (in full, Apatzingán de la Constitución) is a city and its surrounding municipality. It's located in the hot Tierra Caliente valley, in the west-central part of the Mexican state of Michoacán. The city is the fourth-largest in Michoacán (behind Morelia, Uruapan, and Zamora), with a 2005 census population of 93,180 persons. The municipality of Apatzingán has an area of 1,656.67 km² (639.64 sq mi) and reported a population of 115,078.
Recently Apatzingán has received media attention because of the strong presence of notorious, powerful and wealthy drug trafficking cartels. President Felipe Calderón has made this historic town, which is where the Mexican leaders came to write their first constitution.
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