Kvarner Gulf
Opatija is located northwest of the regional capital Rijeka, about from Trieste by rail and from Pula by road. The city is geographically on the Istrian peninsula, though not in Istria County. The tourist resort is situated on the Kvarner Gulf, part of the Adriatic coast, in a sheltered position at the foot of Učka massif, with the "Vojak" peak reaching at a height of . , the municipality had 11,659 inhabitants in total, of which 6,657 lived in the urban settlement.