I would highly recommend staying at Joana's place to anyone visiting Porto for a few days. The location was excellent - everywhere we wanted to see was in walking distance and the metro is only 5 minutes away if you want to go a bit further out. The flat itself was comfortable, clean and had everything we needed to ensure a good stay. The bed was great, wifi better than home, and the balcony was a nice touch. We could not have asked for a better host than Joana. Our flight was delayed and arrived in quite late and she was happy to wait for us and made sure we had everything we needed. She pointed out all the main sights on a map and gave us some great food recommendations as well as leaving us a much appreciated welcome gift of wine. Her communication was great and she even let us leave our bags in the apartment on the last day as our flight was late in the evening and she did not have another guest arriving. We loved Porto and would definitely choose to stay at Joana's next time we visit!