Hypothetical map illustrating Belgium divided into Wallonia and neighbouring countries, with Flanders unifying with the Netherlands, and parts of Wallonia unifying with Germany and the Grand Duchy of Luxembourg; along linguistic and historical lines, by modern boundaries.
Brussels-Capital Region - undefined
Flanders - unification with the Netherlands
German-Speaking Community - unification with Germany
Luxembourg province - unification with the Grand Duchy of Luxembourg

Remainder of Wallonia - independent state of Wallonia
Derived from File:Deutschsprachige Gemeinschaft in Belgium.svg and File:Province de Luxembourg in Belgium.svg
Rob984