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