Proposed design for a flag of Grand Est (Alsace-Champagne-Ardenne-Lorraine), France.
Based on Flag of Alsace.svg: , Flag of Champagne-Ardenne.svg: , Flag of Lorraine.svg:  and Alsace-Champagne-Ardenne-Lorraine Icône.svg:
SiBr4; base files by Mysid, Patricia.fidi and Superbenjamin