The geography of the historic County of Flanders only partially overlaps with present-day region of Flanders in Belgium, though even there it extends beyond West Flanders and East Flanders.
Ajaloolise Flandria krahvkonna geograafia kattub vaid osaliselt tänapäeva Flandria piirkonnaga Belgias, kuigi ka seal ulatub see üle Lääne-Flandria ja Ida-Flandria.