Basco (also known as Santo Domingo de Basco) is a 5th class municipality in the Batanes Province, Philippines. It is the capital municipality of Batanes. According to the latest census, it has a population of 7,517 people in 1,469 households. Basco is located on Batan Island, the second largest island among the Batanes Islands which comprises the province, and are the northernmost islands of the Philippines. Basco has a domestic airport, Basco Airport, serving flights from Manila.