Cognomen Крех (Krech 
, Крех 
) , around the world, is quite a rare last name. The family name Крех is characteristic of Germany, where it is quite a rare surname, Hungary, and Romania, where it is a rare surname. In absolute terms, it is the most numerous in Germany, the United States, and Romania. Very seldom, Крех is the forename as well as the last name.