| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Château Both |  | Common | Harghita County | Europe | Before 14th century | website | Gheorgheni | Romania | 46.4317000000 | 25.3600000000 | Romania | Map | |||||
| Mikó Castle |  | Renaissance | Harghita County | Europe | 1630 | 1623 | website | Miercurea Ciuc | Romania | 46.3561111100 | 25.8027777800 | Map |