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  1. Home
  2. /East and Southeast Asia
  3. /Japan
  4. /Cities
  5. /Iwanai
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Iwanai, Hokkaido

Japan

City42.9744° N, 140.5089° E

Iwanai is a city in Hokkaido, Japan. The recorded population is 13,210.

Population13,210
ProvinceHokkaido
Coordinates42.9744° N, 140.5089° E
CountryJapan
Rank in Japan#1,371 of 50,799

Map

About Iwanai

At coordinates 42.97° N, 140.51° E, Iwanai lies in the Northern Hemisphere. The city belongs to Hokkaido in Japan.

Iwanai has 13,210 inhabitants, making it the #1,371 most populated locality in Japan out of 50,799 registered.

Cities in Hokkaido

The Hokkaido region of Japan is home to Iwanai and other cities such as Sapporo, Asahikawa, Hakodate. Iwanai has 13,210 inhabitants.

Sapporo1,973,832Asahikawa333,530Hakodate275,730Tomakomai174,806Kushiro167,875Obihiro166,536Ebetsu133,953Kitami119,135Otaru115,333Chitose97,950

Nearby Cities

The area surrounding Iwanai includes 20 nearby cities and towns.

●
RiyamunaiCity
6.3 km
●
HorikappuCity
6.8 km
●
TomariCity · 1,750 inhab.
10.3 km
●
KunitomiNeighborhood
11.7 km
●
KozawaCity · 5,772 inhab.
13.9 km
●
SetoseCity
14.5 km
●
OkishinaiCity
14.8 km
●
Kishū-dantaiCity
16.4 km
●
RankoshimachiCity · 4,893 inhab.
18.5 km
●
ShimakotanCity
18.5 km
●
GinzanCity
18.8 km
●
MagumbetsuCity
18.9 km
●
NisekoanCity
18.9 km
●
MenaCity
19.1 km
●
KamoenaiCity · 904 inhab.
19.2 km
●
KutchanCity · 15,816 inhab.
20.6 km
●
ŌeCity
21.4 km
●
ŌmoriCity
21.4 km
●
KombuCity
21.8 km
●
KabayamaCity
21.9 km

Explore Japan

Japan profileAll cities of JapanWorld rankingsCompare countries

Largest cities in Japan

#1 Tokyo9,733,276#2 Yokohama3,777,491#3 Osaka2,753,862#4 Nagoya2,332,176#5 Sapporo1,973,832

Frequently Asked Questions

What is the population of Iwanai?

Iwanai has a population of 13,210. It ranks #1,371 in Japan by population.

What province or state is Iwanai in?

Iwanai is located in Hokkaido, Japan.

Where is Iwanai located?

Iwanai is located at coordinates 42.97° N, 140.51° E in Hokkaido, Japan.

Iwanai, Japan data is included in the Bamwor global dataset, a structured database used by developers and AI systems.

Access this data programmatically via the Bamwor API:
https://bamwor.com/api/v1/cities/2129868

For AI-native workflows, the Bamwor MCP Server provides direct structured access.

API Documentation →MCP Server →
GET /api/v1/cities/2129868

Source: Bamwor World Encyclopedia — GeoNames (CC BY 4.0)