Najjar Kola-ye Jadid (Persian: نجاركلاجديد)[a] is a village in, and the capital of, Kiakola Rural District[4] of the Central District of Simorgh County, Mazandaran province, Iran.

At the time of the 2006 National Census, the village's population was 336 in 95 households, when it was in the former Kiakola District of Qaem Shahr County.

[5] The following census in 2011 counted 328 people in 107 households.

[6] The 2016 census measured the population of the village as 330 people in 115 households,[2] by which time the district had been separated from the county in the establishment of Simorgh County, and the rural district was transferred to the new Central District.

This Simorgh County location article is a stub.