|Time zone||IRST (UTC+3:30)|
|• Summer (DST)||IRDT (UTC+4:30)|
Sumar (Persian: سومار; also Romanized as Sūmār, Soormar, and Sowmār) is a small city in and the capital of Sumar District, in Qasr-e Shirin County, Kermanshah Province, Iran. At the 2006 census, its population was 20, in 15 families, making it Iran's least populous settlement with city status. Virtually the entire population of Sumar was killed by an Iraqi chemical attack, and the city destroyed during the Iran-Iraq War. It has not been rebuilt.
- Sumar, Iran can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3086414" in the "Unique Feature Id" form, and clicking on "Search Database".
- "Census of the Islamic Republic of Iran, 1385 (2006)". Islamic Republic of Iran. Archived from the original (EXCEL) on 2011-11-11.
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