Croatia is a country situated in the Balkans and in Central Europe. It is to the east side of the Adriatic Sea, to the east of Italy. It is bordered by Slovenia to the northwest, Hungary to the north, Bosnia and Herzegovina to the southeast, serbia in the east and Montenegro to the south.
Istria (Istra in croatian) is the north-westernmost region of Croatia. In a triangular shape, it is bordered in the north by Slovenia, east by the Kvarner region of Croatia and on the south and west by the Adriatic Sea.
Adi wrote on this card that Istria is Croatia's biggest peninsula and a big tourist destination with many nice small coastal towns.