Hon Yen is in Phu Yen province, on the southern coast of Viet Nam. The island is famous for its beauty. The protection, conservation and development of Hon Yen coral reef (An Hoa Hai commune, Tuy An district) has received attention from the province and domestic and foreign environmental protection organizations, so the marine ecosystem in this area has many developments. Phu Yen is keeping investing and proposing the establishment of Hon Yen wetland conservation area.