Zamboanga Peninsula (Philippine region)ISO 3166-2 code: PH-09SubdivisionsProvince BasilanZamboanga del NorteZamboanga del SurZamboanga Sibugay Child topics: Basilan (Philippine province)Zamboanga del Norte (Philippine province)Zamboanga del Sur (Philippine province)Zamboanga Sibugay (Philippine province) Parent topics: Serbia