Last modified: 2012-09-09 14:10:15 UTC
http://wlm.wikimedia.org/api/api.php?action=adminlevels&format=json&admtree=es - empty
Spain iso codes are at https://en.wikipedia.org/wiki/ISO_3166-2:ES . Something like https://es.wikipedia.org/w/index.php?title=Anexo%3ABienes_de_inter%C3%A9s_cultural_de_Cantabria&diff=59302729&oldid=58488079 should probably cover it.
Platonides, can you take a look at this?
Platonides added it, but somehow I managed to revert it without noticing. Added again and it is fixed now, see https://commons.wikimedia.org/wiki/Commons:Monuments_database/Statistics