Municipal Government of Masiu, Lanao del SurMunicipal Government of Masiu, Lanao del Sur. 925 likes · 24 talking about this · 1 was here. Welcome to the Official Facebook Page of the Municipal Government of Masiu, Province of Lanao del Sur.#LanaoDelSur#BARMM#LGU#Masiu·fb.com·May 20, 2021Municipal Government of Masiu, Lanao del Sur