Nagaoka City (Niigata prefecture, Japan)

長岡市

Last modified: 2026-09-19 by zachary harden
Keywords: niigata | nagaoka | phoenixm |
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image by Eugene Ipavec, 3 February 2006

• City flag
• Ceremonial flag
• Kawaguchi
• Koshiji
• Mishima
• Nakanoshima
• Oguni
• Teradomari
• Tochio
• Washima
• Yamakoshi
• Yoita

• Niigata prefecture
• Japanese Subdivisions
• Japan

City flag

City of Nagaoka adopted emblem: 21 September 1977 by Notice No 35; adoption date of flag: Oct 11 1977 by Notice No 46. (links in Japanese)
Flag proportion: 3:4
colour of field: orange
colour of emblem: blue
The shape of noble phoenix in blue represents the city Nagaoka which is striving to further develop as a regional core city with its own characters.
The ceremonial flag has gold fringe and gold kanji letters of Nagaoka city 長岡市.
Nozomi Kariyasu, 18 January 2006

As Nozomi says, the shape of the indomitable phoenix represents the city developing without limit as a regional centre with charm/character. To me, it also looks like a stylised kanji naga 長 (long, head/chief).
The ceremonial flag is 90cm x 120cm. The emblem's colour is light blue. The simplified flag can be two sizes: 90x120cm or 180x240cm.
Jonathan Dixon, 7 March 2006

Ceremonial flag

image by Eugene Ipavec, 3 February 2006

Kawaguchi Town / 川口町

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Kawaguchi was blue with mark. The town is now, from 2010, part of the city of Nagaoka.
Source: http://d.hatena.ne.jp/hiroshikaro/20091026/p1
Tomislav Šipek, 13 June 2014

The design features the bamboo gentian—the emblem of Uchikawai Shrine, listed in the Engishiki—at its center, with the kanji characters for “Kawaguchi” 川口 stylized to form an outer ring.
Nozomi Kariyasu, 26 August 2026

Koshiji Town / 越路町

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Koshiji was brownish maroon with mark. The town is now, from 2005, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappeikyougikai/cyouin.html
Tomislav Šipek, 13 June 2014

The design features the kanji character “越” at its center, surrounded by snowflakes and excavated pottery.
Nozomi Kariyasu, 27 August 2026

Mishima Town / 三島町

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Mishima was maroon with mark. The town is now, from 2005, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappeikyougikai/cyouin.html
Tomislav Šipek, 13 June 2014

The katakana character ミシマ “Mishima” is stylized into the shape of wings to symbolize progress, while the circle represents underground resources.
Nozomi Kariyasu, 28 August 2026

Nakanoshima Town / 中之島町

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Nakanoshima was green with mark. The town is now, from 2005, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappeikyougikai/cyouin.html
Tomislav Šipek, 13 June 2014

The design features the kanji character for “center” (中) in the center, surrounded by three concentric circles representing the Shinano, Saruhashi, and Kariyata Rivers, along with the Yata Mirror.
Nozomi Kariyasu, 28 August 2026

Oguni Town / 小国町

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Oguni was purple with mark. The town is now, from 2005, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappeikyougikai/cyouin.html
Tomislav Šipek, 13 June 2014

The kanji character “小” (small) has been stylized, with its four small points representing the development of politics, the economy, education, and culture.
Nozomi Kariyasu, 29 August 2026

Yamakoshi Village / 山古志村

image by Tomislav Šipek, 13 June 2014

The flag of the former village of Yamakoshi was red with mark. The village is now, from 2005, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappeikyougikai/cyouin.html
Tomislav Šipek, 13 June 2014

The design incorporates the kanji character for “mountain” (山) and the katakana character “Koshi” (コシ), stylized to resemble a mountain and a bird in flight, while the circular shape symbolizes harmony among the villagers.
Nozomi Kariyasu, 01 September 2026

Teradomari Town / 寺泊町

image by Tomislav Šipek, 13 June 2014

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Teradomari was maroon with mark. The town is now, from 2006, part of the city of Nagaoka.
Sources: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappei5/cyouin.html
http://teradomarikai.jugem.jp/?eid=3
Tomislav Šipek, 13 June 2014

The kanji character “寺” (temple) has been stylized, with the three horizontal lines representing wings.
Nozomi Kariyasu, 30 August 2026

Tochio City / 栃尾市

image by Tomislav Šipek, 13 June 2014

The flag of the former city of Tochio was blue with mark. The city is now, from 2006, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappei5/cyouin.html
Tomislav Šipek, 13 June 2014

The kanji character 栃 “Tochi” is placed in the center, surrounded by snowflakes.
Nozomi Kariyasu, 31 August 2026

Washima Village / 和島村

image by Tomislav Šipek, 13 June 2014

The flag of the former village of Washima was blue with mark. The village is now, from 2006, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappei5/cyouin.html
Tomislav Šipek, 13 June 2014

Four katakana characters マfor “Ma” are arranged in a circle to symbolize the harmony among the villagers.
Nozomi Kariyasu, 31 August 2026

Yoita Town / 与板町

image by Tomislav Šipek, 13 June 2014

The flag of the former town of Yoita was maroon with mark. The town is now, from 2006, part of the city of Nagaoka.
Source: http://www.city.nagaoka.niigata.jp/shisei/gappei/gappei5/cyouin.html
Tomislav Šipek, 13 June 2014

The design features 與 the traditional form of the kanji character “与” at its center, with three concentric circles at the bottom representing the three districts of Yoita, Otsu, and Kurokawa, symbolizing the town’s growth through the merger.
Nozomi Kariyasu, 01 September 2026