県境

1. Origins, structure, and basic meaning

• Structure: 県境, read けんざかい, is the administrative boundary between neighboring prefectures.
• Basic usage: It can be drawn as a dotted line on a map or marked by a sign along a mountain road.

2. Common pitfalls and similar expressions

• The border between prefectures
  • This is the administrative boundary drawn as a dotted line on a map or marked by a sign on a mountain road. It is distinct from the mountain or road itself.