On the Adriatic near the border with Italy and in the province of Istria, Opatija is very pretty, offering a scenic mountain backdrop, elegant architecture and gardens. It lies 85 mi/135 km southwest of Zagreb.
Opatija was a renowned spa in the days of the Austro-Hungarian Empire, and it remains a popular seaside resort and health spa. It also has a casino and fairly active nightlife. Yachting enthusiasts may want to time their visit to coincide with the International Yachting Regatta in summer or the Opatija Yachting Cup, held in autumn.
Take a day trip to Pula. We recommend planning to stay for at least three nights. http://www.opatija-tourism.hr.