Russia carried out a large evacuation of staff from the Bushehr Nuclear Plant.
Rosatom head Alexey Likhachev confirmed 180 people were moved to Isfahan.
He said the move is precautionary.
Operations at the plant continue as normal.
About 20 personnel remain on site.
They are responsible for key operations.
Evacuations began earlier this month.
Around 200 workers were relocated initially.
The move followed strikes near the facility.
The attacks targeted surrounding areas.
Safety measures remain in place.
