| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calenberg Castle |  | Lower Saxony | Europe | from 1292 | website | Pattensen | Germany | 52.1833343506 | 9.7833337784 | Map | |||||||
| Marienburg Castle (Hanover) |  | Commercial | Lower Saxony | Europe | 1867 | 1857 | website | Pattensen | Germany | 52.1666679382 | 9.7666664124 | George v of hanover | Map |