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Caloocan

Highly urbanized city in Metro Manila, Philippines

  • 23 min read
  • 11 chapters
Andres Bonifacio Monument, Caloocan, Aug 2025
Ralff Nestor Nacor · CC BY-SA 4.0

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Through Toponymy and Bay

Caloocan is divided into two geographical locations with a total combined area of 5,333.40 hectares (13,179.1 acres), a result of the 1949 expansion of Quezon City, which absorbed much of its territory. It was formerly part of the Province of Rizal in southern Luzon. It comprises what is known as the CAMANAVA area along with the cities of Malabon, Navotas and Valenzuela.

South Caloocan is bordered by Manila, Quezon City, Malabon, Navotas and Valenzuela. The presence of commercial and industrial activities combined with residential areas make it a highly urbanized central business district and a major urban center in the Northern District of Metropolitan Manila. North Caloocan shares its border with Quezon City and Valenzuela, Marilao, Meycauayan and San Jose del Monte in the province of Bulacan, and Rodriguez in the province of Rizal. It is composed of mostly residential subdivisions and extensive resettlement areas with scattered distribution of industrial estates mostly within road transit points and intersections.

Etymology

Caloocan as a toponym comes from the Tagalog words lo-ok that translates to "bay", and sulok meaning "corner" as suggested by its location between the ends of the present-day Malabon and Tondo, Manila, and kaloók-lookan (or kaloób-looban) meaning "innermost area". The city's name is colloquially spelled Kalookan. Historically, it was called Kaloogan, meaning "interior territory," which evolved from the old Tagalog word "loog" (synonymous with "loob," meaning "inside"). The "g" sound could have shifted to the "k" sound in Tagalog phonetics (e.g. baksak → bagsak), leading to the present name.

There is a mixed preference over the preferred spelling of the city's name. Variation and apparent confusion over the spelling arose around the early 1970s, when a resolution was adopted by the municipal board, requiring the city departments to use the name "Kalookan." However, implementation of the resolution was interrupted by the nationwide imposition of martial law in late September 1972. In 1988, Councilor Aurora Asistio-Henson proposed Resolution No. 006, aiming to promote Filipino nationalism by enforcing the spelling "Kalookan" in all city departments and establishments. The change was opposed by residents, businesses, and officials, with former representative and vice mayor Virgilio Robles deeming it illegal, and asserting the spelling "Caloocan" as per the city charter. Although confusion persists, the general inclination in the city is towards "Caloocan," as evidenced by the official logo and favored by many barangays, schools, and newspapers. However, some entities, like the Directories of the Philippines Corporation, prefer the spelling "Kalookan."

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