Welcome to Geekhack!
The best idea might be to create a thread in the
keyboards section, as your biggest hurdle might be finding something in Spain. I have no idea how many keyboard stores you have there, but there are very few in Australia, so many of us just end up buying something from the US and having it shipped over.
Fortunately ANSI layout is the most common here, which makes things easier. If you need a particular ISO layout, asking in the keyboards section might help
Good luck!