Ethnic tourism is an important cultural and educational direction in the field of knowledge of traditions and everyday life of an ethnic group. The subject of the research is ethnic tourism. The research is aimed at solving the scientific problem of substantiating and developing modern forms of internal ethnotourism in a multicultural region. The purpose of the work is to determine the features and prospects of ethnic tourism in the sustainable development of territories. Methods: comparative and geographical, statistical methods, SWOT-analysis, field research. It was revealed that Russia, being a multi-ethnic state, has significant prerequisites for the development of ethnic tourism and contributes to the inclusion of the original culture of peoples in the world heritage. Important centers of ethnotourism in the regions of Russia are ethnographic museums, open-air museums, and ethnographic villages, the concentration of which can be observed in Western Siberia and the Ural-Volga region. One of the promising areas for the development of ethnic tourism is the Orenburg region, which has a number of competitive advantages (the presence of various forms of folk art, including the holding of popular mass national holidays; the production of exclusive goods and services that are products of folk crafts; the presence of a greater number and variety of types of cultural heritage objects). The article concludes that the development of ethnic tourism cultivates respect for the traditional culture of various peoples of Russia.