{{Infobox settlement | name = Teradomari | official_name = | native_name = {{nobold|寺泊町}} | native_name_lang = ja | settlement_type = Former municipality | other_name = | image_skyline = Teradomari_Fish_Market_Street_20081013.jpg | image_caption = Teradomari Fish Market Street | image_flag = Flag_of_Teradomari_Niigata.JPG | image_seal = Teradomari,_Niigata_chapter.png | map_caption = Location of Teradomari in Niigata Prefecture | pushpin_map = | pushpin_map_caption = Location in Japan | subdivision_type = Country | subdivision_name = Japan | subdivision_type1 = Region | subdivision_name1 = Hokuriku | subdivision_type2 = Prefecture | subdivision_name2 = Niigata Prefecture | subdivision_type3 = District | subdivision_name3 = | extinct_title = Merged | extinct_date = January 1, 2006<br />(now part of Nagaoka) | leader_title = Mayor | leader_name = | leader_title1 = Vice Mayor | leader_name1 = | unit_pref = Metric | area_total_km2 = 58.16 | population_total = 11,766 | population_as_of = 2003 | timezone1 = JST | utc_offset1 = +09:00 | postal_code_type = | postal_code = | blank_name_sec1 = City hall address | blank_info_sec1 = }}{{More citations needed|date=April 2026}}[[File:Amalgamation_Nagaoka_jp.svg|thumb|10 municipalities merged into Nagaoka City]]
{{nihongo|'''Teradomari'''|寺泊町|Teradomari-machi}} 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.<ref>{{Cite web |title=市町村合併に伴う町名変更一覧 |url=https://www.city.nagaoka.niigata.jp/kurashi/cate01/cyoumei/henko-zyusyo.html |access-date=2024-02-04 |website=Nagaoka City |language=ja}}</ref><ref>{{Cite book |url=https://books.google.com/books?id=NsbKKmrDP9cC |title=住民基本台帳人口移動報告年報 |date=2006 |publisher=総務庁統計局 |pages=135 |language=ja |trans-title=Annual Report on Population Movement in the Basic Resident Register |quote=Tochio-shi, Washima‐mura, Teradomari‐machi and Yoita‐machi were incorporated into Nagaoka-shi as of January 1, 2006.}}</ref>
==Climate== {{Weather box |collapsed = yes |metric first = yes |single line = yes |location = Teradomari, Niigata (2001–2020, extremes 2001–present) |Jan record high C = 14.6 |Feb record high C = 21.7 |Mar record high C = 26.1 |Apr record high C = 26.8 |May record high C = 31.2 |Jun record high C = 34.1 |Jul record high C = 39.4 |Aug record high C = 40.6 |Sep record high C = 38.0 |Oct record high C = 32.1 |Nov record high C = 26.2 |Dec record high C = 18.8 |Jan record low C = -6.6 |Feb record low C = -6.4 |Mar record low C = -5.3 |Apr record low C = -1.3 |May record low C = 4.6 |Jun record low C = 10.0 |Jul record low C = 14.4 |Aug record low C = 15.0 |Sep record low C = 7.9 |Oct record low C = 3.9 |Nov record low C = -1.6 |Dec record low C = -3.3 |Jan high C = 5.7 |Feb high C = 6.7 |Mar high C = 10.7 |Apr high C = 15.9 |May high C = 21.1 |Jun high C = 25.0 |Jul high C = 28.3 |Aug high C = 30.6 |Sep high C = 26.7 |Oct high C = 20.8 |Nov high C = 14.6 |Dec high C = 8.6 |year high C = 17.9 |Jan mean C = 2.6 |Feb mean C = 2.9 |Mar mean C = 5.9 |Apr mean C = 10.7 |May mean C = 16.0 |Jun mean C = 20.3 |Jul mean C = 24.1 |Aug mean C = 25.9 |Sep mean C = 21.9 |Oct mean C = 16.0 |Nov mean C = 10.2 |Dec mean C = 5.1 |year mean C = 13.5 |Jan low C = -0.1 |Feb low C = -0.3 |Mar low C = 1.8 |Apr low C = 6.3 |May low C = 11.9 |Jun low C = 16.7 |Jul low C = 21.1 |Aug low C = 22.5 |Sep low C = 18.4 |Oct low C = 12.2 |Nov low C = 6.5 |Dec low C = 1.9 |year low C = 9.9 |precipitation colour=green |Jan precipitation mm = 181.6 |Feb precipitation mm = 111.3 |Mar precipitation mm = 114.8 |Apr precipitation mm = 103.4 |May precipitation mm = 91.3 |Jun precipitation mm = 127.9 |Jul precipitation mm = 273.7 |Aug precipitation mm = 150.4 |Sep precipitation mm = 160.5 |Oct precipitation mm = 154.3 |Nov precipitation mm = 219.0 |Dec precipitation mm = 247.4 |year precipitation mm = 1962.9 |Jan sun = 46.1 |Feb sun = 76.8 |Mar sun = 140.9 |Apr sun = 187.3 |May sun = 212.3 |Jun sun = 194.7 |Jul sun = 160.1 |Aug sun = 216.9 |Sep sun = 168.0 |Oct sun = 141.4 |Nov sun = 86.5 |Dec sun = 49.5 |year sun = 1675.3 |source 1 = [http://www.data.jma.go.jp/obd/stats/etrn/view/nml_amd_ym.php?prec_no=54&block_no=0524&year=&month=&day=&view= Japan Meteorological Agency ] }}
==Transportation== ===Railway=== 20px JR East - Echigo Line * {{STN|Teradomari|x}} - {{STN|Kirihara|x|Niigata}}
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=== * {{jct|country=JPN|Route|116}} * {{jct|country=JPN|Route|402}}
===Ports=== * Teradomari Port ** Sado Kisen Terminal
==Local attractions== * Teradomari Fish Market Street * Teradomari Aquarium(:ja:寺泊水族博物館) <gallery widths=160> Teradomari Aquarium 03.jpg|Teradomari Aquarium </gallery>
==See also== {{commons category-inline}}
== References == {{Reference list}}{{Dissolved municipalities of Niigata Prefecture}} {{Authority control}}
Category:Dissolved municipalities of Niigata Prefecture Category:Nagaoka, Niigata
{{Niigata-geo-stub}}