The largest municipalities in the province are Olbia (pop. 45,366 in 2001 census), Tempio Pausania (13,992), Arzachena (12,080) an La Maddalena (11,369). Smaller municipalities in the province are Luras, Calangianus, Santa Teresa Gallura, Buddusò, Budoni, Oschiri, Palau, Berchidda and San Teodoro. In the Middle Ages Gallura was one of the four "Giudicati". In this province, beside Italian, it's diffused the Gallurese, a Corsican dialect influenced by Sardinian logudorese but not Sardinian language.