Thierenberg
Thierenberg is the name of two East Prussian towns in what is now Poland and Russia:
- Thierenberg , Fischhausen / Samland district: Dunajewka (Kaliningrad) , submerged place in Zelenogradsk Raion, Kaliningrad Oblast , Russia
- Thierenberg , Sensburg district: lost place in the powiat Kętrzyński, Warmian-Masurian Voivodeship , Poland