Subic, officially the Municipality of Subic, is a 1st class municipality in the province of Zambales, Philippines. According to the 2020 census, it h…Subic, officially the Municipality of Subic, is a 1st class municipality in the province of Zambales, Philippines. According to the 2020 census, it has a population of 111,912 people. It is located along the northern coast of Subic Bay. Portions of the town also form part of the Subic Special Economic and Freeport Zone.