The only street track in Spain (apart from Pedralves, Montjuich and Bilbau) that I know of is AlcaƱiz:
http://www.youtube.com/watch?v=1vylj...eature=related (lovely track, it reminds me of the old Vila Real street course in Portugal!)
They held some sporstcar races for barchettas in the 80's, I believe.