How to Distinguish
- Language is Japanese
- Domain is .jp
Signs you can find
The area code is a gradation from Sapporo (011) to Tokyo (03) to Osaka (06) to Kagoshima (099), so you can roughly find the location(Image source, CC0).
IC・JCTを対象に、起点から終点方向に連番で付番（１、２、３…）。追加になったIC・JCTは、枝番で付番（例：地図内の「3-1」、「5-1」）。画像出典：(参考文献 高速道路ナンバリング検討委員会 高速道路ナンバリングの実現に向けた提言参考資料)
作成者不明
千葉県長生郡長柄町
Narrow down state/region
- Hokkaido
- There is a Seicomart convenience store
- There are snow poles on the road.
- Houses with flat roofs, cascading garages, and home tanks are characteristic of Hokkaido.
- Chugoku region
- If the guardrails are the color of summer oranges, you're in Yamaguchi Prefecture.
- Okinawa
- Many one-story buildings.
- Many buildings have flat white buildings.
- There is a water tank on the roof.
- It is written "石敢當" on the wall, etc.