Supiak speaking Sijunjung-Simaung Minangkabau
Minangkabau is spoken by more than 5 million people, principally in the Indonesian province of West Sumatra, and neighboring North Sumatra, where it functions as a lingua franca between a diverse array of communities, as well as parts of Malaysia. An Austronesian language of the Malayo-Polynesian family, Minangkabau is closely related to Malay, as well as Balinese, Indonesian, and a myriad of others languages.