The Mariscal Nieto Province is the largest of three provinces that make up the Moquegua Region of Peru. The capital of the province is the city of Moquegua.BoundariesNorth: General Sánchez Cerro ProvinceEast: Tacna RegionSouth: Ilo ProvinceWest: Arequipa RegionGeographySome of the highest mountains of the province are listed below:Political divisionThe province is divided into six districts, which are:Ethnic groupsThe province is inhabited by indigenous citizens of Aymara and Quechua descent. Spanish, however, is the language which the majority of the population (79.51%) learnt to speak in childhood, 15.65% of the residents started speaking using the Aymara language and 4.45% using Quechua (2007 Peru Census).