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