Vintar, officially the Municipality of Vintar, is a municipality in the province of Ilocos Norte, Philippines. According to the 2020 census, it has a p…Vintar, officially the Municipality of Vintar, is a municipality in the province of Ilocos Norte, Philippines. According to the 2020 census, it has a population of 33,339 people. Vintar is the largest municipality in Ilocos Norte by land area. Its patron saint is Saint Nicholas de Tolentino. It is home to one of the biggest convents in the province, which also hosts the Saint Nicholas Academy.