Santa María Nduayaco is a town and municipality

Municipalities of Mexico State

The Mexican state of Mexico is made up of 125 municipios :-External links:* Estado de México / State of Mexico...

 in Oaxaca

Oaxaca

Oaxaca , , officially Estado Libre y Soberano de Oaxaca is one of the 31 states which, along with the Federal District, comprise the 32 federative entities of Mexico. It is divided into 571 municipalities; of which 418 are governed by the system of customs and traditions...

 in south-western Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. The municipality covers an area of km².
It is part of the Teposcolula District

Teposcolula District, Oaxaca

Teposcolula District is located in the center of the Mixteca Region of the State of Oaxaca, Mexico.-Municipalities:The district includes the following municipalities:*Chilapa de Diaz*La Trinidad Vista Hermosa*San Andrés Lagunas...

 in the center of the Mixteca Region

Mixteca Region, Oaxaca

The Mixteca Region is a region in the state of Oaxaca, Mexico, part of the broader La Mixteca area which covers parts of the states of Puebla, Guerrero and Oaxaca....

.

As of the 2010 census, the town, which serves as the municipal seat, had a population of 57 inhabitants, while the municipality had a total population of 550 inhabitants. Its municipal seat is the second-smallest (to Santa María del Rosario

Santa María del Rosario

Santa María del Rosario is a town and municipality in Oaxaca in south-western Mexico. The municipality covers an area of km².It is part of the Tlaxiaco District in the south of the Mixteca Region....

) in all of Mexico.