Istria county (Croatian: Istarska županija; Italian: Regione istriana) is the westernmost county of Croatia which includes the biggest part of the Istrian peninsula (2820 out of 3160 km²). Area is called Istra in Croatian and Slovenian, and Istria in Italian. Because of important ethnical minorities, especially Italians, the region adopts a bilingual form. Its administrative center is Pazin/Pisino.