Location of Dagana dzongkhag within BhutanDagana (also spelled Dhakana, previously known as Daga) is one of the 20 dzongkhag (districts) comprising Bhutan.

Legend has it that the people of Dagana were a lawless bunch in the 17th century, and that the Shabdrung had to send in soldiers to gain control over the dzongkha.

Dagana itself is divided into eleven gewogs/ A gewog (Dzongkha "block") refers to a group of villages in Bhutan and thus forms an intermediate geographic administrative unit between village and dzongkhag/:Dorona Gewog ;Drujegang Gewog ;Gesarling Gewog ;Goshi Gewog ;Kana Gewog ;Khebisa Gewog;Lajab Gewog ;Tashiding Gewog ;Tsangkha Gewog ;Tsendagana Gewog ;Tseza Gewog.