How is the national electoral register created?

OSCE, Greece Parliamentary Elections October 2019, ODIHR Needs Assessment Mission Report, 10-12 April 2019, accessed 10 July 2019

“Voter registration is passive. Voter lists are compiled by the MoI based on the national population register, which receives twice-monthly updates from municipalities. Voter lists are posted at PSCs during the pre-election period and individual voters’ data can be checked online throughout the year.”