Calapan, officially the City of Calapan, is a 3rd class component city and the capital of the province of Oriental Mindoro, Philippines. According to the 2020 census, it has a population of 145,786 people making it the most populous in Oriental Mindoro and second in the entire Mindoro Island after San Jose in Occidental Mindoro. The city is also the regional center of Mimaropa region, as well as its second biggest city.