Why book a holiday in Northern Portugal? Northern Portugal includes regions such as Porto with its port wine cellars, the Douro region with vineyards, the historic city of Guimarães, coastal towns like Viana do Castelo, and Peneda-Gerês National Park. ✔ Holidays in Northern Portugal: Discover the variety in Portugal. ✔ All-Inclusive: Many top hotels in Northern Portugal offer full board. ✔ Price Advantage: Save by booking a package instead of individual components in Portugal.