thumb|10 municipalities merged into [[Nagaoka, Niigata|Nagaoka City]]
was a former town located in Santō District, Niigata Prefecture, Japan.
Population
As of 2003, the town had an estimated population of 11,766 and a density of 202.30 persons per km<sup>2</sup>. The total area was 58.16 km<sup>2</sup>.
History
On January 1, 2006, Teradomari lost its independent status as a town when it, along with the city of Tochio, the town of Yoita, and the village of Washima (all from Santō District), was merged into the expanded city of Nagaoka.
Climate
Transportation
Railway
20px JR East - Echigo Line
- -
In addition to this line, Echigo Kotsu Nagaoka Line(:ja:越後交通長岡線) had been operated in the town until 1975.
Highway
Ports
- Teradomari Port
- Sado Kisen Terminal
Local attractions
- Teradomari Fish Market Street
- Teradomari Aquarium(:ja:寺泊水族博物館)
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Teradomari Aquarium 03.jpg|Teradomari Aquarium
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