Hypothetical map illustrating the division of Belgium into Flanders, with the remaining area unifying with neighbouring countries along linguistic and historical lines, by modern boundaries.
Brussels-Capital Region - undefined
Flanders - independent state of Flanders
German-Speaking Community - unification with Germany
Luxembourg province - unification with the Grand Duchy of Luxembourg

Remainder of Wallonia - unification with France
Derived from File:Deutschsprachige Gemeinschaft in Belgium.svg and File:Province de Luxembourg in Belgium.svg
Rob984