Caloocan, a city in the Philippines, is home to various synonyms used interchangeably by locals. Some of the synonyms include "Kalookan," "Kalookan City," and "KK." Some people also refer to it as "Bagong Barrio" or "BB," as it used to be a small barangay before becoming a city. Another commonly used synonym is "Caloocan del Norte," which distinguishes it from the adjacent city of Caloocan del Sur. Additionally, some residents also call it "Balintawak," which is a district in the northern part of the city. Despite the many synonyms, Caloocan remains a vibrant city with a rich history and culture.