What's the origin of the surname Alba and what does it mean?

Question: What's the origin of the surname Alba and what does it mean!?
Best Answer - Chosen by Asker:

Alba:
Spanish, Italian, and Romanian: habitational name from any of the places named in any of these languages with this element!. Its meaning is various and disputed; the coincidence in form with Latin alba (feminine) ‘white’ is suggestive, but in many cases the name is pre-Roman and denotes a site on a hill or mountain!.Www@QuestionHome@Com

Alba: Last name origin & meaning:
Spanish, Italian, and Romanian: habitational name from any of the places named in any of these languages with this element!. Its meaning is various and disputed; the coincidence in form with Latin alba (feminine) ‘white’ is suggestive, but in many cases the name is pre-Roman and denotes a site on a hill or mountain!.Www@QuestionHome@Com