This book is an English-language version of the monograph published by LAP in 2011 and devoted to the study and analysis of the factors of the formation and development of Protestant and Neo-Pentecostals (Neo-Protestant) associations in the multi-ethnic region of the Russian Federation - the Republic of Bashkortostan, as well as disclosure their functioning on the territory of Bashkortostan. Author attempt to outline the state of the Protestant and Neo-Pentecostals religious organizations at the present time, to investigate the features of their implementation of religious practices, social activities, and reveal aspects of adaptation Protestantism and Neo-Pentecostals in multi-ethnic environment. For historians, theologians, government employees bodies, all interested in modern confessional problems.