- Oporto in British English. City in northern Portugal on the mouth of the Douro river.
- One of the most important cities in the country, with origins in a pre-historic Celtic settlement. Main port and commercial center.
- Location of one of the king's treasury towers. [Pedro, ch. 12: 39]
- City where King João I married Philippa of Lancaster, in the medieval cathedral (1387).
- CDF, prologue, l.75.
Not to Scale

Chronicle entries in which Porto appears:
Citation:
![Medieval cathedral of Porto. [Photo by courtesy of the Calouste Gulbenkian Foundation Art Library, Lisbon, Portugal] Main facade of Porto cathedral with two towers flanking a central panel with the main entrance door and a rose-window.](https://fernaolopes.fcsh.unl.pt/sites/default/files/styles/lopes_gallery_style/public/FL_PICS-FCG-Porto_Se-3208794635_6a48070267_o.jpg?itok=il1vvi13)