Last name Вадер (Wader 
, Vadder 
, Вадер 
) , all over the world, is quite a rare surname. The last name Вадер is characteristic of Belgium, where it is quite a rare surname, Norway, where it is a rare surname, and Germany. Not in comparison with a country's population, this name is the most popular in India, Germany, and Belgium. Also, Вадер is the forename as well as the last name.