it´s meant Kronland/Kronländer(Kronlaender) > crownland/crownlands.
you have to look which Kronland of austria-Hungary was meant.
in any case it will be a now south-slavic country (lastname Pupic).
as you will visit Croatia it will have been simple Kronland Kroatien. ;-) or not? you need a placename.....
Kronländer(Kronlaender)of Austria-Hungary:
http://www.brainworker.ch/Oesterreich/Austria-hungary.pnghttp://de.wikipedia.org/wiki/Kronland_%28%C3%96sterreich%29http://www.zwittau.de/laender/kk/oesterreich-ungarn.htm