Partner Cities
| City | Country | Year | |
|---|---|---|---|
| Freiburg |
Germany |
 |
|
| Besançon | France |
1959 |
 |
| Innsbruck | Austria |
1963 |
 |
| Padua | Italy |
1967 |
 |
| Guildford | Great Britain |
1979 |
 |
| Madison | USA |
1987 |
 |
| Matsuyama | Japan |
1988 |
 |
| Lviv (Lemberg) | Ukraine |
1989 |
 |
| Granada | Spain |
1991 |
 |
| Isfahan | Iran |
2000 |
 |
| Friendship City | |||
| Wiwilí | Nicaragua |
1988 |
|
| Freiburg and the Zähringer Cities | |||
| Zähringer Cities | D/CH |
 |
|