Barcelona is a densely populated city, its expansion checked by the Collserola Mountains to the west and the mouths of the Llobregat and Bèsos rivers to the south and north. Within the city are many different neighbourhoods with very different historical and physical characteristics. In this page we offer a quick overview of the main residential areas of the city. See our city guide for more in depth information on Barcelona’s districts, activities, transport connections and much more. ...