|Rural District||Hesar-e Valiyeasr|
|Time zone||IRST (UTC+3:30)|
|• Summer (DST)||IRDT (UTC+4:30)|
Adar (Persian: ادار, also Romanized as Ādār; also known as Adād and Āvār) is a village in Hesar-e Valiyeasr Rural District, Central District, Avaj County, Qazvin Province, Iran. At the 2006 census, its population was 388, in 82 families.
- Adar can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3051753" 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.