Subic, officially the Municipality of Subic, is a municipality in the province of Zambales, Philippines. According to the 2020 census, it has a pop…Subic, officially the Municipality of Subic, is a municipality in the province of Zambales, Philippines. According to the 2020 census, it has a population of 111,912 people. The native Zambales inhabitants called the area Hubek, which means "head of a plough"; Spanish missionary priests mispronounced the name as Subiq. By the time of the American occupation, "Subiq" was mispronounced as Subig. Eventually, the name reverted to "Subiq", but the letter 'q' was replaced with 'c'.