Sengye Gewog has total area of about 214.sq Km and comprise of 5 chiwogs and 12 villages. It has a total resident population of 1767 with 289 household including old and resettlement. It is located towards the farthest west of Dzongkhag and shares the boundary with Assam state, India. It is connected to other Gewog only by a feeder road. It has warm sub topical climate with sufficient rainfall, favorable for cereal and cash crops production. The gewog has good potential for agriculture development. It has flat, fertile and productive agriculture land. It has 124.32 acres of wet land of which some productive wet lands remain uncultivated due to shortage of irrigation and lack of man power. 96% of total area is covered by forest.

The gewog constitutes officially 12 villages with 5 Tshogpas, The gewog has one CPS, 5 NFE Centers & 1 ECCD. The health facilities include one BHU, and two trained Village Health Workers. The gewog has one RNR Center, and park office and three Community Forest. The Gewog Center is located at Yarpheling village and it is connected with 13 kilometers feeder road which is only accessible and means of communication for the people of Sengye Gewog. In total there are 32 kilometers of feeder road till Phipsoo Park. The feeder road is pliable only about four month in winter, during the monsoon season due to swollen river in Sisty khola and Samatung Khola the people of Sengye gewog remains cut-off from rest of Sarpang Dzongkhag. Total of 240 household were electrified and 800 B-mobile subscribers. The livelihood of people in Sengye gewog mainly depends on agriculture and livestock.

The main food crops grown in the area are maize, paddy and millet. Its main cash crops are oranges & Arecanut, and mostly the old settlers own cattle ranging from 6-12 heads. Two chiwogs under Seng-gey namely Nyenul and Rishong are also known for the commercial farming of fishery.