The monograph on the basis of archival, published in print and obtained as a result of field studies of ethnographic sources examines the features of formation, history and ethnocultural processes among Poles in the Perm Territory during the 19th - early 21st centuries. For the first time in a collective monograph, the authors show the main stages of the formation and migration of the Polish population in the Kama region, its number and settlement, features of the functioning of the language and ethnic culture both in the past and in the present.