File:Flag of Hauts-de-France.png

Summary
Proposed but not official flag of Hauts-De-France by SiBr4; base files by Patricia.fidi and Superbenjamin - Based on generic flag of Nord-Pas-de-Calais, Flag of Picardie and Nord-Pas-de-Calais-Picardie Icône, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=48622778

[From the English Wikipedia]