Colonia Algarín is a very small working class residential neighborhood located south of the historic center of Mexico City. Its border to the north is Eje 3 Sur José Peón Contreras, to the south Viaducto Miguel Alemán, to the east San Antonio Abad Ave (Calzada de Tlalpan) and to the west Eje Central Lázaro Cárdenas. Colonia Algarín is located between colonias Buenos Aires (Eje Central), Álamos (Viaducto), Obrera (Eje 3 Sur) and Asturias (San Antonio Abad). On the south border, alongside Viaducto Miguel Alemán, flows the Río de la Piedad.