Opatija has been called the "Queen of Tourism" and "Croatia's Monte Carlo" being a popular health resort for European high society in the 19th century when Croatia was part of the Austro-Hungarian empire. The town of Opatija is just a few minutes drive northwest of the city of Rijeka at the beginning of the Istrian Peninsula and along the Adriatic Coast in the Kvarner Bay. This visitor's guide includes all the travel information you need to know and accents all the best sig