 Białystok is home to more than two thousand Muslims ( mainly Tatars ) . There is an Islamic Centre a House of Prayer , and various organisations such as <unk> Gmina <unk> , Stowarzyszenie <unk> <unk> and <unk> Stowarzyszenie <unk> <unk> . There is magazine issued – " <unk> i <unk> " ( " Memory and persistence " ) . 
