- Japanese:長岡城(Nagaoka-jou)
- Type:Flatland
- Founder:Hori Naoyori
- Year:1617
- Destroyed:1868
- Location:Echigo province
The castle was totally destoryed during Boshin War. The place is now Nagaoka station and there is no trace of the castle.
The castle was totally destoryed during Boshin War. The place is now Nagaoka station and there is no trace of the castle.