Chemax Municipality (Yucatec Maya: [tʃeˈmaʃ], “monkey's tree”) is a municipality in the Mexican state of Yucatán containing 1,098.6 km2 of land and located roughly 185 km east of the city of Mérida.

[2] There is no accurate data on when the town was founded, though it existed before the conquest as part of the province of Cupules.

At colonization, Chemax became part of the encomienda system with the first encomendero noted in 1549 as Juan López de Mena.

There are 170 populated areas of the municipality[5] with the most important locations being: Además, Catzim, Chemax, Chen, Cocoyol, Kuxeb, Lolbé, Mucel, Punta Laguna, San Juan, San Pedro, Santa Cruz, Santa Elena, Sisbichén, Uspibil, Xalaú, X-Can, X-mab, X-maben, Xochmil, X-tejas and Xuneb.

The significant populations are shown below:[2] Considered a tropical savanna climate typically with a pronounced dry season.