The national language is Dzongkha, the native language of the Ngalops of western Bhutan. Dzongkha literally means the language spoken in the Dzongs, massive fortresses that serve as the administrative centers and monasteries. Two other major languages are the Tshanglakha and the Lhotshamkha. Tshanglakha is the native language of the Tshanglas of eastern Bhutan while Lhotshamkha is spoken by the southern Bhutanese of Nepali origin.