World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Ulladulla | AUULA | Australia |
| Ullapool | GBULL | United Kingdom |
| Ullensvang | NOULL | Norway |
| Ulleung | KRULL | Korea, Republic of |
| Ulm | DEULM | Germany |
| Ulm | US4TP | United States of America (the) |
| Uløybukt | NOUBO | Norway |
| Ulrum | NLULR | Netherlands |
| Ulsan | KRUSN | Korea, Republic of |
| Ulsta, Yell | GBULS | United Kingdom |