Bala Serest () is a village in Gatab-e Shomali Rural District of Gatab District in Babol County, Mazandaran province, Iran.
At the time of the 2006 National Census, the village's population was 993 in 228 households. The following census in 2011 counted 940 people in 257 households. The 2016 census measured the population of the village as 1,025 people in 347 households.