Viktor Krum played for Bulgaria.
The Bulgarian National Quidditch team
The two teams that were competing in the 422nd Quidditch World Cup (which is the Cup that was being held during Goblet of Fire) were Ireland and Bulgaria. Despite the fact that Bulgarian Seeker Viktor Krum caught the Snitch, Ireland won the match 170-160.
In both the book and film series, Viktor Krum only appears once on a broomstick. That one time was during the finals of the 1994 Quidditch World Cup; Ireland vs Bulgaria. in that scene, Krum was using a Firebolt broomstick.
Viktor Fayzulin played for Russia in the 2014 FIFA World Cup.
German President: Friedrich Wilhelm Viktor Albert von PreußenTell me president of which country please..
The Ministry of Magic owns the land where the Quidditch World Cup was placed.
In The Goblet of Fire, the Quidditch referee for the world cup was Hassan Mostafa.