Template:Fortifications of the French Frontier in 1940

v t e Fortifications of the French frontier in 1940
Northern and northeastern France (includes the Maginot Line)	SF Flanders SF Lille SF Escaut (Maginot New Frontiers) SF Maubeuge (Maginot New Frontiers) SD Ardennes SF Montmédy (Maginot New Frontiers) SF Crusnes (Maginot) Thionville (Maginot) SF Boulay (Maginot) SF Faulquemont (Maginot) SF Sarre (Maginot) SF Rohrbach (Maginot New Frontiers) SF Vosges (Maginot) SF Haguenau (Maginot) SF Lower Rhine SF Colmar SF Mulhouse SF Altkirch SF Montbéliard SF Jura
Southeastern France (includes the Little Maginot Line/Alpine Line)	SD Rhône SF Savoy SF Dauphiné SF Alpes-Maritimes
Corsica	OD Corsica