Mercedes is the greatest host ever! :) thanks to her, you feel like home there :) The app itfelf has a great location - placa reial is full of pubs, restaurants and flamenco clubs, which makes it a center of social life in Barcelona. The place is well communicated, there are plenty of busses and the metro station is in about 3 minutes walk. And the view form the tarrace cannot be compared to anything... If you want to live in heart of Barcelona, fell the rythm and taste of this city, this place is definitelly for you! :)