Opatija - wikipedia Opatija (Italian: Abbazia, German: Sankt Jakobi) is a town in western Croatia, just southwest of Rijeka on the Adriatic coast, population 7,850 (2001), total municipality population 12,719 (2001). It is a popular summer and winter resort, with average temperatures of 10°C in winter, and 25°C in summer. Opatija is surrounded by beautiful woods of bay laurel. The whole sea-coast to the north and south of Opatija is rocky and picturesque, and contains several smaller winter resorts. http://en.wikipedia.org/wiki/Opatija