Terminology of the Low Countries The Old Dutch form is "flāmisk", which becomes "vlamesc", "vlaemsch" in Middle Dutch and "Vlaams" in Modern Dutch. Flemish is now exclusively used to describe the majority of Dutch dialects found in Flanders, and as a reference to that region. Calques of "Vlaams" in other languages: In many languages including English, (a calque of) "Holland" is a common name for the Netherlands as a whole. Even the Dutch use this sometimes. Strictly speaking, Holland is only the central-western region of the country comprising two of the twelve provinces, North Holland and South Holland, and thus linguistically a "pars pro toto"
Terminology of the Low Countries English. Many languages however, do have a cognate or calque derived from the Dutch adjective "Nederlands": Toponyms: The Low Countries () refers to the historical region "de Nederlanden": those principalities located on and near the mostly low-lying land around the Rhine–Meuse–Scheldt delta. That region corresponds to all of the Netherlands, Belgium and Luxembourg, forming the Benelux. The name "Benelux" is formed from joining the first two or three letters of each country's name Belgium, Netherlands and Luxembourg. It was first used to name the customs agreement that initiated the union (signed in 1944) and is now used more generally to