Los Amigos Opera Backpackers Hostel (Hostel) -
6 Campomanes, 4th floor (Metro Opera) Madrid Spain
From airport, trais & bus stations take undergroud (metro) up to OPERA (lines 2 & 5).
Once in Plaza de Isabel II (or Plaza de Opera) cross the square towards Burguer King. We are in Campomanes street, number 6, 4th floor. 50 meters from underground stattion.
From Puerta del Sol: walk down Arenal street to Plaza de Isabel II (Plaza de Opera) -5 min.- then same as above.