What is "culion"

Culion is a third class municipality in the province of Palawan, Philippines, consisting primarily of Culion Island as well as 41 minor surrounding islands. According to the 2010 census, it has a population of 19,543 people. Culion is part of the Calamian group of islands. It was a former leprosarium under the American commonwealth of the Philippines. The municipality was created by virtue of Republic Act No. 7193 on February 19, 1992.