|Time zone||UTC+3:30 (IRST)|
|• Summer (DST)||UTC+4:30 (IRDT)|
Arjak (Persian: ارجك, also Romanized as Erjak) is a village in Kuhestan Rural District, in the Central District of Nain County, Isfahan Province, Iran. At the 2006 census, its population was 13, in 6 families.
- Arjak can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3053639" in the "Unique Feature Id" form, and clicking on "Search Database".
- "Census of the Islamic Republic of Iran, 1385 (2006)" (Excel). Statistical Center of Iran. Archived from the original on 2011-11-11.