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  5. /Koyama
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Koyama, Yamagata

Japan

City38.4033° N, 140.0567° E

Situated in Yamagata, Japan, Koyama is a city.

Population—
ProvinceYamagata
Coordinates38.4033° N, 140.0567° E
CountryJapan

Map

About Koyama

Geographically, Koyama is positioned at 38.40° N, 140.06° E, within the Northern Hemisphere. It is administered as part of Yamagata, Japan.

Cities in Yamagata

Koyama is located in the Yamagata province of Japan. Other cities in the region include Yamagata, Tsuruoka, Sakata.

Yamagata248,772Tsuruoka125,389Sakata100,273Yonezawa94,486Tendō65,393Higashine47,682Sagae43,544Shinjō41,140Kaminoyama35,593Nagai31,026

Nearby Cities

20 populated places are found within 25 km of Koyama.

●
SoyagataCity
1 km
●
MizugadoroCity
3.4 km
●
MizusawaCity · 4,956 inhab.
5.2 km
●
HaraCity
5.6 km
●
HibaraVillage
5.9 km
●
TsunatoriCity
6.2 km
●
IwanezawaCity
6.8 km
●
NumayamaCity
6.9 km
●
TsukiyamazawaCity
7 km
●
MazawaCity
7.4 km
●
KaishūCity
8.2 km
●
KaoyoshiCity
8.8 km
●
ShizuCity
10.9 km
●
ŌyaCity
11.4 km
●
KewaizakaVillage
12.6 km
●
ŌsumiVillage
13.1 km
●
MiyajukuCity · 6,366 inhab.
13.5 km
●
WagōCity
13.6 km
●
AterazawaCity · 7,646 inhab.
13.7 km
●
TomizawaCity
13.8 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
Search People Koyama →

Frequently Asked Questions

What province or state is Koyama in?

Koyama is located in Yamagata, Japan.

Where is Koyama located?

Koyama is located at coordinates 38.40° N, 140.06° E in Yamagata, Japan.

Koyama, 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/2114099

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

API Documentation →MCP Server →
GET /api/v1/cities/2114099

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