Surname Вертер (Werther 
, Вертер 
) , across the world, is quite a rare cognomen. The last name Вертер is habitual in Germany, where it is quite a rare surname, Denmark, and Netherlands, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Netherlands. Also, Вертер is the forename as well as the last name.