Nizao is a city in the province of Peravia in the Dominican Republic.

Peravia is a province in the southern region of the Dominican Republic. Located on the country's Caribbean coast which it is in the south, it is divided in 13 units, while Baní is the province's capital. Clockwise, Peravia is bordered by other provinces starting with Azua to the west, San José de Ocoa to the north, and San Cristóbal to the east. Before January 1, 2002 it was included in what is the new province called San José de Ocoa, and published statistics and maps generally relate it to the old, larger, Peravia.