Salug, officially the Municipality of Salug, is a municipality in the province of Zamboanga del Norte, Philippines. As of the 2020 census, it had …Salug, officially the Municipality of Salug, is a municipality in the province of Zamboanga del Norte, Philippines. As of the 2020 census, it had a population of 32,134 people. The municipality of Salug was established by virtue of Republic Act No. 2510 enacted on June 21, 1959, upon separation of eleven barrios of Liloy, with Barrio Mucas the seat of government.