North Sikkim is a district of the Indian state of Sikkim. Its district headquarters is Mangan. It is the seventh least populous district in the country. As of 2013, C P Dhakal is the district Collector of the district.The landscape is mountainous with dense vegetation all the way up to the alpine altitude before thinning out to desert scrub towards the northern tundra.
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.West Sikkim is the site of the ancient state capital Yuksom. It served as Sikkim's capital beginning in 1642 for almost 50 years until it was shifted to Rabtense.
South Sikkim is a district of the Indian state of Sikkim. Its capital is Namchi.South Sikkim lies at an altitude of 400 to 2000 metres and has a temperate climate for most of the year. Major urban centres include Namchi, Ravangla, Jorethang and Melli.South Sikkim is the most industrialised district in the state, owing to the availability of flat land.
East Sikkim is one of the four administrative districts of the Indian state of Sikkim. Geographically, East Sikkim occupies the south-east corner of the state. The capital of East Sikkim is Gangtok, which is also the state capital. It is the hub of all administrative activity in the state.The civilian region is administered by a district collector, appointed by the Union Government and the military area by a Major General. As of 2011 it is the most populous of the four districts of Sikkim.