Correction upon checking: that was only when it was organised with other areas further North into a province called Küstenland ( = coastal land); most of the area belonged to the Habsburg Empire - with a Napoleonic Empire intermezzo - from 1797, parts of it in the North much earlier. Chewck maps over the millennia here [page in German].

_{*Lunatic*, n.
One whose delusions are out of fashion.}