COA Regional Offices
Cordillera Administrative Region
Region I – Ilocos
Region II – Cagayan Valley
Region III – Central Luzon
Region IV A – CALABARZON
Region IV B – MIMAROPA (this site)
Region V – Bicol
Region VI – Western Visayas
Region VII – Central Visayas
Region VIII – Eastern Visayas
Region IX – Zamboanga Peninsula
Region X – Northern Mindanao
Region XI – Davao
Region XII – SOCCSKSARGEN
Region XIII – Caraga
Bangsamoro Autonomous Region in Muslim Mindanao (BARMM)