Sofia's place is in a very nice and traditional neighbourhood in Lisbon. We greatly enjoyed our stay there. We were welcomed by her brother who showed us how everything works and offered some tips about the city. We had a great time in Lisbon, but only stayed for one night. If you're planning to stay longer I think the place might be even nicer as it has looks of things we didn't get to use due to our short stay: mainly, they have lots of books and board games as well as a TV, and the place is quite stylish - you wouldn't guess it from looking at the building outside, which is very traditional and Portuguese. Overall, great place to stay if you're going to Lisbon to stay for a couple of days - it's near the center of the city and you can find some nice places nearby to have coffee and eat custard pastries, which are a must-do if you're in Lisbon.