Gangtok District is an administrative district of the Indian state of Sikkim. It was renamed in 2021 as a result of administrative reorganisation of the state, which also saw three subdivisions of the East Sikkim district spawned off as a separate Pakyong district.

Pakyong district is a district in the Indian state of Sikkim, administered from Pakyong. The district was formed in 2021 from three former subdivisions of the East Sikkim district, viz., Pakyong Subdivision, Rangpo Subdivision and Rongli Subdivision. The remaining Gangtok Subdivision of the former district was named as the Gangtok district, which now bounds the Pakyong district in the northwest. In addition, the district is now bounded by the Kalimpong district of West Bengal, Bhutan, China and the Namchi district of Sikkim.