Hi!
To be honest I would rather recommend renting an apartment than booking a hotel. Above all it is cheaper. Here is a website with some apartments - most of them are lockated on the Ramblas (check:
http://www.apartime.c...las-apartment-1.html) it is a good, reputable agency, where you can book online. Apartment is better because you have a living room, kitchen, a whole apartment for your own!
Enjoy your stay in Barcelona! Media URL: http://www.apartime.com
Description: Apartments Barcelona