Original: Gennevilliers , since 1995 Wieliczka , since 1995 Other websites Official Website of the city of Bergkamen Website of the the mayor of Bergkamen Bergkamen is a town in the district of Unna , in North Rhine-Westphalia , Germany .
Simplified: Bergkamen is a town in the district of Unna , in North Rhine-Westphalia , Germany .