Tre Kronor Castle Тры Кароны, Трэ Крунур (замак)
![Tre Kronor Castle](https://upload.wikimedia.org/wikipedia/commons/3/37/Slottet_Tre_Kronor_1661.jpg)
was the stronghold that Birger Jarl built and was later rebuilt into the castle and royal residence
- Kraj:
- Szwecja
- Coordinates (WGS-84):
- 59,325833333333,18,071388888889
was the stronghold that Birger Jarl built and was later rebuilt into the castle and royal residence