The municipality of Nahuatzen is located in the
Tarascan Plateau west of
Lake Pátzcuaro at an elevation between . It borders the municipalities of
Zacapu to the north,
Erongarícuaro to the east,
Tingambato to the south,
Uruapan to the southwest,
Paracho to the west, and
Cherán to the northwest. The municipality covers an area of and comprises 0.52% of the state's area. As of 2009, the land cover in Nahuatzen consists of temperate forest (47%) and grassland (6%). Another 44% of the land is used for agriculture and 2% consists of urban areas. The western half of Nahuatzen is in the
Balsas River basin, the northeastern portion drains into the
Lerma River, and the southeastern portion drains into Lake Pátzcuaro. Nahuatzen has a temperate climate with rain in the summer. Average temperatures in the municipality range between , and average annual precipitation ranges between . ==History==