Tecate is a municipality in the Mexican state of Baja California.

Its municipal seat is located in the city of Tecate.

[3] The municipality has an area of 3,079.0 km² (1,188.8 sq mi).

The municipality is administratively subdivided into 6 boroughs, in addition to the municipal seat, Tecate.

[9] Other than the city of Tecate, the municipality had 964 localities, the largest of which (with 2010 populations in parentheses) were: Lomas de Santa Anita (6,604), Nueva Colonia Hindú (4,431), classified as urban, and Cereso del Hongo (4,278), Luis Echeverría Álvarez (El Hongo) (2,411), classified as urban, and Hacienda Tecate (1,871), Valle de las Palmas (1,860), La Rumorosa (1,836), Maclovio Herrera (Colonia Aviación) (1,219), Alfonso Garzón (Granjas Familiares) (1,188), and El Mirador (1,171), classified as rural.