| name | image | style | date demolished | type | use | administrative division | continent | date completed | date Start construction | Website | Height (m) | city | Country | latitude (°) | longitude (°) | Original_owner/Owner/Protection | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Burg Insterburg |  | Kaliningrad Oblast | Europe | 1336 | 1336 | website | Chernyakhovsk | Russia | 54.6397150000 | 21.8066960000 | Map | ||||||
| Burg Ragnit |  | None | Kaliningrad Oblast | Europe | 1289 | website | Neman, Russia | Russia | 55.0391730000 | 22.0297700000 | Map | ||||||
| Château de Brandenburg |  | Fortified Castle | None | Kaliningrad Oblast | Europe | 1290 | 1275 | website | Ushakovo, Novomoskovsky Rural Okrug, Guryevsky District, Kaliningrad Oblast | Russia | 54.6139889000 | 20.2484980000 | Map | ||||
| Festung Pillau |  | Kaliningrad Oblast | Europe | 1625 | website | Baltiysk | Russia | 54.6427510000 | 19.8872640000 | Map | |||||||
| Königsberg Castle |  | 1968 | Kaliningrad Oblast | Europe | 1255 | website | Kaliningrad | Russia | 54.7100000000 | 20.5105555556 | Map |