Porto, Portugal - Hoptale's Destination Guide

Porto is Portugal's second largest city and the capital of the Northern region. It is a busy industrial and commercial centre. The city itself isn't very populous (about 300,000 inhabitants), but the Porto metropolitan area (Greater Porto) has some 2,500,000 inhabitants in a 50km radius, with cities like Gaia, Matosinhos, Maia, and Gondomar.  (Porto Wikitravel)