San Juan Bautista Coixtlahuaca is a small town and municipality located in the Mixteca Region of the State of Oaxaca, Mexico, and the center of the Coixtlahuaca district. The name "Coixtlahuaca" means 'plain of snakes' in the Nahuatl language. One of the most significant indigenous pictorial manuscripts from the region is the Lienzo Seler Coixtlahuaca II.