Surname Filak (Filak 
) , throughout the world, is quite a rare family name. The surname Filak is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname, Hungary, and Poland. In absolute terms, it most frequently occurs in Poland, Czechia, and the United States. Also, Filak is the forename as well as the last name.
| john filak American football player (b. 1903) |
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| lukas k filak researcher |
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