Why is Spanish called Spanish?

Related questions

1. Is Castilian Spanish different from Spanish?
2. Why do Americans call Deutschland?
3. What was Spain called before it was called Spain?
4. What is Iberian descent?
5. Why is Spain not called Espana?
6. What nationality is Iberian peninsula?
7. Why is the Iberian Peninsula important?
8. What ethnicity is Spanish?
9. Who conquered the Iberian peninsula?
10. What did the Romans call the Iberian Peninsula?

Tags

1. #spain
2. #occitan
3. #castile
4. #other
5. #languages
6. #aragonese
7. #galician
8. #language
9. #speaking
10. #called
11. #castellano
12. #asturian
13. #world
14. #spoken
15. #spanish
16. #kingdom
17. #basque
18. #contrasting
19. #parts
20. #catalan
21. #castilian