Dagana Dzongkhag is located in the southern part of the country. It covers an area of about 1,719.13 Km with elevation ranging from 200 to 4,720 meters above the sea level with a total population estimate of 25,070.
The dzongkhag shares its borders with Thimphu and Chukha dzongkhag to the west, Wangduephodrang dzongkhag to the north,Tsirang dzongkhag to the East and India to the South. The dzongkhag falls within the Temperate Zone in the north and the Sub-tropical zone in the south, with hot and wet summer and dry cold winter.
The dzongkhag has a mixed ethnicity comprising of Ngalops, Sharchops,Khengpas and Lhoshampas.
Despite formidable rugged terrain in most part of the dzongkhag,the black topped Sunkosh- Dagana district road connects most of the gewogs, Which serves as the main economic artery. However,there are few settlements that are still remote due to lack of farm roads and feeder roads. This combined with the rugged terrain makes delivery of services difficult and costly.
The dzongkhag have a fertile land and a suitable climate for agricultural production, making it one of the major producers of mandarin and cardamom in the country. Farmers of the dzongkhag grow all most all kinds of crops and vegetables. Paddy, millet and maize are their major food crops.
Beside the well known sacred place, Daga Tashi Yaangtsi, there are many other sacred monuments like Do Namkhai Kaw (stone pillar of the sky), Do Kelpai Goenthey- (stone steps connecting different ages ) and Tha Namkhai Dzong (fortress of the sky) and other religious stone monuments like Do Phamai Nye, Do Dungchen Menchu, Do Dungkar, Wachen Nye, etc. However, very few people visit these places for they are very remotely located.
The dzongkhag consists of one Dungkhag known as Lhamoizingkha and 14 gewogs.