Shemshak (Persian: شمشک)[3] is a city in Rudbar-e Qasran District of Shemiranat County, Tehran province, Iran.

A suburb of Tehran, Shemshak was established upon the merger of the former villages of Darband Sar, Darrud, Jirud, Sefidestan, Shemshak-e Bala, and Shemshak-e Pain.

[4] At the time of the 2006 National Census, the population (as the total of its constituent villages before the merger) was 2,383 in 702 households, when it was in Rudbar-e Qasran Rural District.

[6] The 2016 census measured the population as 3,423 people in 1,197 households,[2] by which time the villages had merged and Shemshak was elevated to the status of a city.

[4] Shemshak travel guide from Wikivoyage Iran portal