This council’s recorded friendship relationships are listed below.
| Partner | Country | Relationship | Since |
|---|---|---|---|
| Edinburgh | United Kingdom | Sister city | 1974 |
| Otaru | Japan | Sister city | 1984 |
| Portsmouth | United States | Sister city | 1963 |
| Qingyuan | China | Sister city | 2017 |
| Shanghai | China | Sister city | 1994-10-21 |