Nagaoka, Niigata

Nagaoka
長岡市
Nagaoka Matsuri and Fireworks
Echigo Hillside ParkTeradomari Fish Market
Yukyuzan ParkChosei BridgeNishiki Koi
Location of Nagaoka in Niigata
Nagaoka
Coordinates: 37°26′46.3″N 138°51′4.5″E / 37.446194°N 138.851250°E / 37.446194; 138.851250
CountryJapan
RegionChūbu (Kōshin'etsu) (Hokuriku)
PrefectureNiigata
Founded1616
City establishedApril 1, 1906
Government
  MayorTatsunobu Isoda
Area
  Total
891.06 km2 (344.04 sq mi)
Population
 (December 2020)
  Total
266,539
  Density300/km2 (770/sq mi)
Time zoneUTC+9 (Japan Standard Time)
Phone number0258-35-1122
Address1-4-10 Otedori, Nagaoka-shi, Niigata-ken 940-8501
ClimateCfa
WebsiteOfficial website
Symbols
FishNishiki koi
FlowerAzalea
TreeZelkova serrata

Nagaoka (長岡市, Nagaoka-shi) is a city located in Niigata Prefecture, Japan. It is the second largest city in the prefecture, after the capital city of Niigata. As of 4 August 2021, the city had an estimated population of 264,611 in 109,283 households and a population density of 300 inhabitants per square kilometre (780/sq mi). The total area of the city was 891.06 square kilometres (344.04 sq mi).