Ate, also known as Ate-Vitarte, is a district of the Lima Province in Peru. Located in the eastern part of the province, it is one of the districts that comprise the city of Lima.
The district has a total land area of 77.72 km². Its administrative center is located 355 meters above sea level.
According to the 2007 census by the INEI, the district has 478,278 inhabitants and a population density of 6,154 persons/km². In 2005, there were 105,190 households in the district. It is the 13th most populated district in Lima.