Sister city/friendship city
- notice
- Exchanges with sister and friendship cities (introductions to agreements, etc.)
- Sister City Ozora Town
- Sister City: Foster City
- Friendship city: Soma City
- Friendship City Nozawa Onsen Village
- List of exchange projects
- Inagi City contract inn use subsidy system (lodging expenses in sister cities and friendship cities are subsidized)
- Inagi City Sister Friendship City Exchange Association
