San Antonio de Chaclla is one of the thirty-two districts of the province of Huarochirí, in the Department of Lima, in Peru.

[1] Historically, the district is known as San Antonio de Chaclla since the founding of the town of Chaclla, located at 3,420 meters above sea level in the upper basin of the Santa Eulalia River.

Within the ecclesiastical division of the Catholic Church of Peru, it belongs to Vicariate IV of the Diocese of Chosica.

In its territory, there are conflict zones bordering some districts of the province of Lima, such as: Annexes 4 (end of Los Jardines Este avenue), 22 (Beyond Montenegro), and 2 (Campoy hills and part of Huachipa) of the peasant community of Jicamarca, which are areas in dispute with the district of San Juan de Lurigancho.

Likewise, there is annex 8 (Huachipa), which is the area in conflict with the Lurigancho-Chosica district.