Itbayat is a 5th class municipality in the province of Batanes, Philippines and is also an island, the largest in Batanes. Itbayat is the northernmost municipality of the country, located only about 200 kilometers (120 mi) from the southernmost tip of ******. According to the 2010 census, the municipality has a population of 2,988 in an area of 83.13 square kilometres (32.10 sq mi).