when in Barcelona, definitely try to get some tapas and vino at Ciudad Condal on Rambla de Catalunya, 18 near Plaza Catalunya. Great food, outdoor sitting in the middle of a walkway, good atmosphere and very affordable

http://www.barcelona.com/barcelona_directory/restaurants/tapas/ciudad_condal

https://maps.google.nl/maps?hl=nl&q=ciudad+condal&ie=UTF-8&ei=mSpaUM-zFa6X0QXrvoCABw&ved=0CAsQ_AUoAg

http://www.tripadvisor.nl/Restaurant_Review-g187497-d1059712-Reviews-Ciudad_Condal-Barcelona_Catalonia.html