Districts of Sikkim consist of North Sikkim District, South Sikkim District, West Sikkim District, West Sikkim District and East Sikkim District.

North Sikkim District
North Sikkim District is a district of the Indian state of Sikkim. Its district headquarters is Mangan. It is the seventh least populous district in the country (out of 640). North Sikkim District consists of the tourist destinations like Lachung, Yumthang Valley, Chopta Valley, Lachen, Chungthang, Seven Sisters Waterfalls, Thangu, Mangan, Gurudongmar Lake, Green Lake Trek, Tosar Lake, Singhik, Rong Lungten Lee, Phensang Monastery, Phodong Monastery, Kabi Lungchok, Sirijunga Yuma Mangheem and many other destinations, which are the attractions to the global tourists.

South Sikkim District
South Sikkim District is a district of the Indian state of Sikkim. Its capital is Namchi. South Sikkim District is perhaps the least visited district in Sikkim. South Sikkim District has serene and nostalgic scenery. It is a district having unique countryside landscape dotted with Sikkimese and Lepcha villages on the rolling valleys. The endless waves of agricultural field on the terraced slopes intercepted by streams and patch forests are the landmark of South Sikkim. The most important tourism destination in South Sikkim District is Ravangla. It is famous for its peaceful environment and prominent view of snow-capped mountains of Kanchenjungha Mountain Range. Ravangla is well connected by motorable road from Gangtok, Namchi, and from Siliguri.

West Sikkim District
West Sikkim is a district of the Indian state of Sikkim. Its capital is Geyzing, also known as Gyalshing. The district is a favourite with trekkers due to the high elevations. Other important towns include Pelling and Yuksom.

East Sikkim District
East Sikkim is one of the four administrative districts of the Indian state of Sikkim. Geographically, East Sikkim District occupies the south-east corner of the state. The capital of East Sikkim District is Gangtok, the capital city of Sikkim. It is the hub of all administrative activity in the state of Sikkim. East Sikkim District is one of the four districts and it is the center of all the administrative activities in the state. Most of the tourists explore East Sikkim as this part of the state happens to be the most popular part of the state. As of 2011, the East Sikkim District is the most populous of the four districts of Sikkim.