At the beginning of the twenty-first century, it was a huge surprise for many Poles that over 173 thousand people declared in the National Census that their nationality was Silesian, not recognised by Polish legislation and not present in the collective consciousness. This article has the following goals: analysis of the geographic-political and geopolitical conditions of the shaping of Silesian identity; explanation of the reasons that made one of many regional groups living in Poland – the Silesians – unable to find their place within a larger nation; identification of the components of a sense of group identity of Silesians and definition of the institutional forms of its expression; definition of the character and social reach of the di...