Najjar Kola-ye Jadid

Najjar Kola-ye Jadid is a village in, and the capital of, Kiakola Rural District of the Central District of Simorgh County, Mazandaran province, Iran.

At the 2006 National Census, its population was 336 in 95 households, when it was in the former Kiakola District of Qaem Shahr County. The following census in 2011 counted 328 people in 107 households. The latest census in 2016 showed a population of 330 people in 115 households, by which time the district had been separated from the county in the establishment of Simorgh County.