We only stayed 2 nights at Julien's but we enjoyed it very much. Julien was really helpful with all our questions and really made us feel at home. The location of the apartment is wonderful: close to La Rambla and the Picasso museum, and a 5 minute stroll to Plaza Catalunya. There are many cosy-looking bars around the area and you have the beach just a bit further away (totally reachable on foot). There were a bit of noise in the streets the first night but it was pretty tranquil the second night. Would highly recommend this airbnb to anyone visiting Barcelona!