Olsza may refer to the following places in Poland:
- Olsza, CracowGrzegórzki and Prądnik Czerwony districts of Kraków , part of the
- Olsza, Lower Silesian Voivodeship (south-west Poland)
- Olsza, Kuyavian-Pomeranian Voivodeship (north-central Poland)
- Olsza, Podlaskie Voivodeship (north-east Poland)
- Olsza, Łódź Voivodeship (central Poland)
- Olsza, Greater Poland Voivodeship (west-central Poland)
This page was last edited on 24 March 2023, at 07:50