Kagayanchillo - a small town situated in the east of the island of Palawan in the island of the same name - Kagayanchillo. The distance to the provincial capital city of Puerto Princesa - 330 km. City Island is located almost in the middle of the Sulu Sea. According to the census of 2007, there were about 6, 5 thousand people.

On the island there is no mountain ranges or large forests. Low hills occupy a very small portion of Kagayanchillo in the north-east of the island is represented by the rest of the plains.

Kagayanchillo known primarily for the fact that this is the closest town to the Tubbataha Marine National Park, which is situated on the territory of the same name a coral reef, which attracts thousands of tourists, divers.

Another attraction is the eponymous Kagayanchillo fort - one of the few military fortifications built during the time of Spanish colonization and surviving. Construction of the fort began in the late 16th century, the father of Nicholas Melo and his father Alonso Kolozey and lasted more than a hundred years. Only in the early 18th century, the fort was completed under the guidance of his father Hipolito Casian. The fortress was made in the shape of a diamond and has an area of ​​162 sq.m. It was built on the coast on a high promontory, and its walls are made of a mixture of sea stones and limestone. By analogy with some other Spanish Fort, located inside the fort Kagayanchillo church, surrounded by massive walls 12 meters high and 3 meters thick. These walls protected the inhabitants of the fort from the raids of pirates.

On the island of Palawan it survived only three such fortified buildings - except Kagayanchillo is Fort Isabel in the town of Taytay Fort Cuyo and in the same city.