Virac, officially the Municipality of Virac, is a 1st class municipality and capital of the province of Catanduanes, Philippines. According to the …Virac, officially the Municipality of Virac, is a 1st class municipality and capital of the province of Catanduanes, Philippines. According to the 2020 census, it has a population of 76,520 people. It is most populous and fifth largest in land area in Catanduanes.