ABSTRAK Penelitiaan ini bertujuan; (1) mengetahui bagaimana latar belakang sejarah keberadaan Etnis Sasak di Banjar Bukit Tabuan, Desa Bukit, Karangasem, Bali, (2) mengetahui bagaimana kerukunan antarumat beragama antara Etnis Muslim Sasak dan Etnis Hindu Bali di Banjar Bukit, Tabuan Desa Bukit, Karangasem, Bali, (3) mengetahui Aspek – aspek apa saja dari keberadaan Etnis Sasak di Banjar Bukit Tabuan, Desa Bukit yang dapat digunakan sebagai sumber belajar sejarah di SMA. Penelitian ini menggunakan metode penelitian sejarh melalui beberapa langkah yakni : (1) Heuristik ( teknik penentuan informan, observasi, dokumen dan wawancara), (2) kritik Sumber (Kritik Internal dan Eksternal), (3) Interpretasi, (4) Historiografi. Hasil penelitian ini menunjukkan bahwa, (1) latar belakang sejarah Etnis Sasak di Banjar Bukit Tabuan, Desa Bukit, Karangasem,Bali tidak bisa lepas dari sejarah Kerajaan Karangasem yang melakukan perluasan kekuasaan ke Lombok yang kemudian membawa tawanan politik berupa orang-orang Sasak, (2) Etnis Sasak Muslim di Banjar Bukit Tabuan hidup rukun dengan masyarakat Etnis Hindu Bali yang terlihat dari adanya Safaran, dimana masyarakat Etnis Sasak Muslim Banjar Bukit Tabuan melakukan syukuran dan melakukan gotong – royong di pura Bhur-Bwah-Swah bersama masyarakat Etnis Hindu Bali disana. (3) aspek-aspek yang bisa dikembangkan menjadi sumber belajar sejarah dari keberadaan Etnis Sasak di Banjar Bukit Tabuan yaitu, (1) aspek sejarah, (2) aspek toleransi, (3) aspek sosial budaya, (4) aspek Politik dan pertahanan. Kata Kunci : Etnis Sasak, Toleransi, Sumber Belajar Sejarah This research aims; (1) knowing the historical background of the existence of the Sasak ethnic group in Banjar Bukit Tabuan, Bukit Village, Karangasem, Bali, (2) knowing how the inter-religious harmony between the Sasak Muslim Ethnic and the Balinese Hindu Ethnicity in Banjar Bukit, Tabuan, Bukit Village, Karangasem, Bali, (3) knowing what aspects of the existence of the Sasak ethnic group in Banjar Bukit Tabuan, Bukit Village that can be used as a source of learning history at high school. This study uses the historical research method through several steps, namely: (1) Heuristics (informant determination techniques, observation, documents and interviews), (2) Source criticism (Internal and External Criticism), (3) Interpretation, (4) Historiography. The results of this study indicate that, (1) the historical background of the Sasak ethnic group in Banjar Bukit Tabuan, Bukit Village, Karangasem, Bali cannot be separated from the history of the Karangasem Kingdom which expanded its power to Lombok which then brought political prisoners in the form of the Sasak people, (2) The Sasak Muslim ethnic group in Banjar Bukit Tabuan lives in harmony with the Balinese Hindu ethnic community as seen from the Safaran, where the Banjar Bukit Tabuan Sasak Muslim Ethnic community performs thanksgiving and performs mutual cooperation at the Bhur-Bwah-Swah temple with the Balinese Hindu ethnic community there,(3) aspects that can be developed as a source of historical learning from the existence of the Sasak ethnic group in Banjar Bukit Tabuan, namely, (1) historical aspects, (2) tolerance aspects, (3) socio-cultural aspects, (4) political and defense aspects.keyword : Sasak Ethnicity, Tolerance, Historical Learning Resources