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| Sé do Porto Cathedral of the Assumption of Our Lady | |
|---|---|
 Façade of the Porto Cathedral | |
| Religion | |
| Affiliation | Roman Catholic |
| District | Porto District |
| Province | Roman Catholic Diocese of Porto |
| Ecclesiastical or organizational status | cathedral |
| Location | |
| Location | Porto, Portugal |
| Geographic coordinates | 41°08′34″N 8°36′41″W / 41.1428°N 8.6113°W |
| Architecture | |
| Type | Church |
| Style | Romanesque, Gothic, Baroque |
| Groundbreaking | 1110 |
| Completed | 1737 |
The Porto Cathedral (Portuguese: Sé do Porto) is a Roman Catholic church located in the historical centre of the city of Porto, Portugal. It is one of the city's oldest monuments and one of the most important local Romanesque monuments.