Dvojna vrata | |
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| 44°52′15.3″N 13°50′51.9″E / 44.870917°N 13.847750°E | |
| Location | Pula, Croatia |
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| Type | Roman city gate |
The Dvojna vrata (Porta Gemina) is a Roman city gate located in Pula, Croatia. It was built during the late 2nd century. Porta Gemina is a double arched gate. It was one of the ten city gates of Pula, standing at the north side of the capitol.