Punakha District (Dzongkha: སྤུ་ན་ཁ་རྫོང་ཁག་; Wylie: Spu-na-kha rdzong-khag) is one of the 20 dzongkhags (districts) comprising Bhutan. It is bordered by Thimphu, Gasa, and Wangdue Phodrang Districts. The dominant language in the district is Dzongkha, the national language.