Macossa District is a district of Manica Province in western Mozambique. The principal town is Macossa. The district is located in the east of the province, and borders with Tambara District in the north, Maringué District of Sofala Province in the northeast, Gorongosa District of Sofala Province in the east, Gondola District in the south, Báruè District in the west, and with Guro District in the northwest. The area of the district is 9,554 square kilometres (3,689 sq mi). It has a population of 27,245 as of 2007.

Manica is a province of Mozambique. It has an area of 62,272 km² and a population of 1,945,994. The province is surrounded by Zimbabwe in the west, Tete Province in the northwest, Sofala Province in the east, Save River in the south, and Zambezi river in the northeast. Chimoio is the capital of the province. The highest mountain in Mozambique, Mount Binga, lies in this province near the border with Zimbabwe. The Manica province is divided into nine districts and 34 administrative regions.