Trece Martires, officially the City of Trece Martires, is a 1st class component city and de facto capital city of the province of Cavite, Phi…Trece Martires, officially the City of Trece Martires, is a 1st class component city and de facto capital city of the province of Cavite, Philippines. According to the 2020 census, it has a population of 210,503 people.