Yes. It happens the same with the others languages. However I was referring to the language.
Here's a map which roughly shows the language issue

http://www.ethnologue.com/show_map.asp?name=Spain&seq=1



>This reminds me of a friend of mine who is from Puerto Rico, but his family is descended from Spain (on both sides). He always said he was not Puerto Rican but Spanish and not just Spanish but PURE Spanish because he was castilian. So 'people' can be castilian too?
>