There are at least 3 cities named Boulder in the entire world. The following map and table contain general information about these cities.
| # | Country | Region | City | Coordinates |
|---|---|---|---|---|
| 1 | United States | Montana | Boulder | 46.237, -112.121 |
| 2 | United States | Colorado | Boulder | 40.015, -105.271 |
| 3 | Australia | Western Australia | Boulder | -30.782, 121.491 |