This article is a study of the relation and mutual independence of the Christian religion and Polish culture. After a consideration of a few methodological problems (e.g.: nation and country as the subject of religion, culture and cultures, structural and historical culture, synergism) the author analyses three basic questions: theology of culture in general, and of nation in particular; the relation of Christianity as a religion to Polish culture; the role of the Church in Polish national culture. The question of polonization of Christianity and of the influence of religious truths and Christian principles on Polish culture has been widely discussed in the article. Polonization consisted in the transmission of Biblical salvation into the f...