Ab Bar ( is a city in the Central District of Tarom County, Zanjan province, Iran, serving as capital of both the county and district. It is also the administrative center for Ab Bar Rural District. At the time of the 2006 National Census, the city's population was 4,918 in 1,358 households. The following census in 2011 counted 6,725 people in 1,991 households.Wikipedia