Siddhalek is a rural municipality located within the Dhading District of the Bagmati Province of Nepal.

The rural municipality spans 106.09 square kilometres (40.96 sq mi), with a total population of 23,729 according to a 2011 Nepal census.

[3][4] The previous Nalang, Salang, and Kumpur VDCs were merged to form Siddhalek.

Siddhalek is divided into 7 wards, with Salang declared the administrative center of the rural municipality.

[5] In terms of ethnicity/caste, 19.6% were Magar, 18.3% Hill Brahmin, 16.5% Newar, 9.5% Sarki, 7.1% Chhetri, 6.2% Ghale, 5.0% Kami, 4.2% Sanyasi/Dasnami, 3.8% Damai/Dholi, 3.2% Gurung, 1.6% Gharti/Bhujel, 1.5% Tamang, 1.3% Majhi, 0.9% Thakuri, 0.6% Brahmu/Baramo, 0.1% Chepang/Praja,, 0.1% Gaine, 0.1% Limbu, 0.1% Musalman, 0.1% Rai, 0.1% other Terai and 0.2% others.