Zamboanga City

Zamboanga City, officially the City of Zamboanga, (Chavacano: Ciudad de Zamboanga, Filipino: Lungsod ng Zamboanga), is a 1st class highly urbanized city in the Zamboanga Peninsula, Philippines. According to the 2015 census, it has a population of 861,799 people.^[3] It is the 6th most populous and 3rd largest city by land area in the Philippines.^[3][4] It is the commercial and industrial center of the Zamboanga Peninsula Region.^[5]

On October 12, 1936, Zamboanga became a chartered city under Commonwealth Act No. 39.^[6][7] It was inaugurated on February 26, 1937.^[8]

Zamboanga City is an independent, chartered city and was designated highly urbanized on November 22, 1983.^[9]

Although geographically separated, Zamboanga City is grouped with the province of Zamboanga del Sur for statistical purposes, yet governed independently from it.

https://en.wikipedia.org/wiki/Zamboanga_City