The people of the Adat Village of Angantiga in the District of Petang, Badung Regency, have different backgrounds consisting of ethnic Balinese who are Hindus and ethnic Bugis who are Muslim; keep trying to fight for ethnicity and identity of each culture while still maintaining and building social relations, tolerance and appreciative attitude. Based on these facts, researchers are interested in describing the process of forming multicultural communities, revealing the social interactions of multicultural communities, and revealing the social solidarity of multicultural communities in the Adat Village of Angantiga, Petang District, Badung Regency. The theories used to dissect the problems are migration theory, the theory of symbolic interaction and the theory of social solidarity. In determining the informants used snawballing sampling techniques, the necessary information is obtained through non-participation observation, in-depth interviews, and document recording, then analyzed using interpretive descriptive methods'