The article describes the relationship between religion and ethnicity. Based on the
Greek Catholic community living in Upper Silesia, the author presents possible links
between these two categories and searches empirical examples. The parish in Katowice
and Gliwice called ethnic parish, because in addition to religious functions it performs
also a social function, by which it is possible to keep the faithful national and ethnic
identity. Parish integrates members of the community, mediates the socio‑cultural
practices aimed at preserving national traditions and patriotic, cherishes the memory of the
past and is a space behavior of the Ukrainian language
