proper noun/a.ka.dja.na/
Acadiana is masculine in French.
Acadiana (an official region of southern Louisiana)
“On l’appelle le Sud de la Louisiane ou Acadiana, mais c’est pas exact.” — We call it southern Louisiana or Acadiana, but that’s not quite right.
Synonyms: Acadiane
Presumably borrowed from English Acadiana. See there for more.