Calayan

Calayan, officially the Municipality of Calayan, is a 3rd class municipality in the province of Cagayan, Philippines. According to the 2015 census, it has a population of 16,702 people.^[3]

It is located in the Luzon Strait north of Luzon Island. The town is composed of four of the five major islands of the Babuyan Islandsnamely: Calayan, Camiguin, Dalupiri and Babuyan Island. Calayan Island is the largest of the Babuyan Islands. Fuga Island, the fifth island within the Babuyan Islands, is part of Aparri municipality.^[4] Calayan is home to the Calayan rail, a flightless bird identified as a separate species in 2004 and endemic to Calayan Island.

https://en.wikipedia.org/wiki/Calayan,_Cagayan