The second largest city in Portugal is Porto, or Oporto, and offers visitors many things to do and see. Porto Portugal is the entryway to the Douro Valley, Minho and Trás-os-Montes. The wine-making region of Vila Nova de Gaia is worth spending a few days in for sightseeing. Vila Nova de Gaia in Porto is where Port wine is mixed and aged and where visitors can try the different varieties. Porto is the heart of wine production in the country and is the best place to taste and purchase the famous port wine. The Vila Nova de Gaia in ... (more)