Cognomen Крастев (Krastev 
, Крастев 
, Krastew ) , all over the world, is a common last name. The surname Крастев is characteristic of Bulgaria, where it is a common surname, Aland Islands, where it is quite a common surname, and North Macedonia, where it is quite a rare surname. In absolute terms, this name is the most popular in Bulgaria, the United States, and Greece.