Istra (english Istria) is the largest
peninsula in the Adriatic Sea. The
peninsula is located at the head of the Adriatic between the Gulf of Trieste and the Bay of Kvarner. By far the largest portion (89%) lies in Croatia.
Important towns in Istria County include Pula, Poreč, Rovinj, Pazin, Labin, Umag, Motovun, Buzet, and Buje. Smaller towns in Istria County include Višnjan, Roč, and Hum.