The City of Caloocan, (Filipino: Lungsod ng Kalookan; alternative spelling: Kalookan City), is one of the cities and municipalities that make up Metro Manila in the Philippines. Located just north of the City of Manila, Caloocan is the country's third most populous city with a population of 1,177,604.The Light Rail Transit (LRT-1) has a terminal at Monumento. The railway traverses Rizal Avenue Extension of Caloocan City, into the City of Manila and Pasay City. The whole stretch can be traveled in about 30 minutes.
Caloocan City's 10th Avenue area is well-known for the clusters of motorcycle dealers and motorcycle spare parts dealers. Among the major and famous streets are P. Zamora Street and A. Mabini Street. The city's lone public university is the University of Caloocan City (formerly Caloocan City Polytechnic College). Other educational institution of higher learning are the University of the East - Caloocan, World Citi Colleges (formerly known as Holy Trinity School) and Manila Central University. Several prestigious high schools, such as Notre Dame of Greater Manila, Caloocan City Science High School, Systems Plus Computer College, Philippine Cultural High School (Annex), St. Mary's Academy of Caloocan City (Known as SMACC and formerly known as OLGA or Our Lady of Grace Academy), St. Clare College of Caloocan, and two campuses of La Consolacion College, are situated in the city.
The city hall is located on A. Mabini Avenue, across the street from San Roque Parish Cathedral.
The North Luzon Expressway Operations and Maintenance Center and the Balintawak Toll Barrier are also housed in Caloocan City.
The Victory Liner Incorporated's headquarters and its terminal is located in Rizal Avenue Extension near the LRT Monumento Station.