High Quality Content by WIKIPEDIA articles! In the Philippines, regions (Tagalog: rehiyon, ISO 3166-2:PH) are administrative divisions that serve primarily to organize the provinces (lalawigan) of the country for administrative convenience. Currently, the archipelagic republic of the Philippines is divided into 17 regions. Most government offices are established by region instead of individual provincial offices, usually (but not always) in the city designated as the regional center.