EntityQ1331973· pop 29· linked from 348 articlesOlzaSign in to saveriver in Central Europe, tributary of the OderConnectionsSilesiaEntityMoravian-Silesian RegionEntityNysa KłodzkaEntitySilesian StadiumEntityMarsz AutonomiiEntityPolandCountryGermanEntityCzech RepublicCountryriverEntityPragueEntityPolishEntityCzechEntityCatholic ChurchEntityBaltic SeaEntitygeographic coordinate systemEntityCzechoslovakiaEntityInternational Standard Book NumberEntityWrocławEntitySzczecinEntityEuropean ParliamentEntityCategoriesBorder riversCieszyn SilesiaCzech Republic–Poland borderInternational rivers of EuropeRivers of Silesian VoivodeshipRivers of the Czech RepublicRivers of the Moravian-Silesian RegionSilesian BeskidsTributaries of the Oder