File:Koga_city_hall_(Ibaraki).JPG · Wikimedia Commons · See Wikimedia Commons
Key facts
- Country
- Japan
- Region
- Kantō
- Prefecture
- Ibaraki
- Mayor
- Chikara Hariya (since December 2016)
- Total
- 123.58 km (47.71 sq mi)
- Density
- 1,112.7/km (2,882.0/sq mi)
- Time zone
- UTC+9 ( Japan Standard Time )
- Phone number
- 0280-92-3111
- Address
- 2248 Shimoōno, Koga-shi, Ibaraki-ken 306-0291
- Climate
- Cfa
- Website
- Official website
- Flower
- Prunus persica
- Tree
- Zelkova serrata
via Wikipedia infobox
Wikidata facts
- Instance of
- big city
- Official name
- 古河市
- Country
- Japan
- Population
- 140946
- Area
- 123.58
- Time zone
- UTC+09:00
- Body of water
- Watarase River
- Capital of
- Koga Domain
- Shares border with
- Nogi
- Official website
- www.city.ibaraki-koga.lg.jp
- Image
- Koga city hall (Ibaraki).JPG
Show 8 more facts
- native label
- 古河市
- name in kana
- こがし
- Commons category
- Koga, Ibaraki
- topic's main category
- Category:Koga, Ibaraki
- inception
- 2005-09-12
- twinned administrative body
- Ōno-shi
- different from
- Furukawa
- associated electoral district
- Ibaraki 7th district
via Wikidata · CC0
~5 min read
Encyclopedic overview
Koga (古河市, Koga-shi) is a city located in Ibaraki Prefecture, Japan. As of 1 January 2024, the city had an estimated population of 137,512 in 58,276 households and a population density of 1113 persons per km². The percentage of the population aged over 65 was 28.98%. The total area of the city is 123.58 square kilometres (47.71 sq mi).
Geography
Excerpted from Wikipedia’s “Koga” article, available under the CC BY-SA 4.0 licence.