Family name Гаидарли (Гаидарли 
, Gaydarly , Gaidarli 
) , in all the world, is a rare last name. The cognomen Гаидарли is characteristic of Moldova, where it is quite a rare surname, Hungary, where it is a very rare surname, and Georgia. In absolute terms, the name is most common in Eastern Europe, particularly Moldova, Russia, and Hungary.