Based on archival and field materials, published sources and works, the history of resettlement and the number of Ukrainians in Bashkiria from the XVIII century. to the present day. This is the first comprehensive study on this problem in the republic and on Ukrainian immigrants in general. On the example of the study of economy and material culture, family and family life, the main tendencies of the behavior of small ethnic groups in a foreign or multi-ethnic environment are shown, the stages of changes in the cultural and linguistic characteristics of the Ukrainians of the republic are highlighted, the degree and depth of convergence of their culture with the culture of the surrounding ethnic groups, the specifics in the development of their national identity are determined.