Mario's place is in a great location, felt very central to everywhere we wanted to go. A short walk to the shopping and eating district. We loved the studio apartment, small but perfect for our needs for the few days that we were there. A fan was our saviour given it was c.34 in the city when we visited and the shutters were great to keep out the heat during the day. We didn't use the kitchen but is perfect size and well equipped if you needed to use it. Loved that you supplied a hairdryer and plug adaptor which was very handy for anyone who'd forget there's. Porto is a fab quirky city full of culture you will love!