Languages of Catalonia
According to the official government of Catalonia, Catalan is the second most spoken language of the region, after Spanish (over 35% of Catalans use exclusively Catalan as their first language, while 11% of Catalans use equally both Catalan and Spanish). It is the most spoken language in many comarques of Catalonia, with the exception of the Barcelona metropolitan area (Barcelonès plus surrounding comarques) and Camp de Tarragona. Catalan is a compulsory subject in schools and enjoys equals rights with Spanish throughout Catalonia.
Aranese dialect
The Aran Valley is the only territory of all the linguistic domain of Occitania where Occitan has official recognition and institutional protection. According to Law 35/2010 passed by the Parliament of Catalonia, Aranese is considered to be not only a co-official language in the Aran Valley, but throughout Catalonia, being of preferential use in its natural territories (Valle de Arán).