Boroughs (Spanish: demarcaciones territoriales) are the subdivisions of Mexico City, the capital city and a federative entity of Mexico. As of 2025, there are 16 boroughs in Mexico City. Each borough is headed by a borough mayor (alcalde), which makes it colloquially known as alcaldía. The traditional center of Mexico City comprises four boroughs: Benito Juárez, Cuauhtémoc, Miguel Hidalgo, and Venustiano Carranza.
Mexico City is one of the 32 federal entities of Mexico, with the others being the 31 states. It was named Distrito Federal (Federal District) until February 5, 2016, when it was officially renamed the Ciudad de México. According to the 2020 Mexican census, it is the second most populated entity with 9,209,944 inhabitants and the smallest by land area, spanning 1,494.3 square kilometres (577.0 sq mi).