Centering on the deep Kvarner Gulf, the Kvarner region has a balmy Mediterranean climate and pristine sea. As a result, in the 19th-century, Central European aristocrats and artists began vacationing here. In fact, Croatian tourism began here.
The biggest city is the mainland port of Rijeka and the most popular destination is Opatija. Above all, from here you sail around the islands of Krk, Cres, Lošinj, and Rab. Expect turquoise waters, fragrant pine forests, and elegant Art Nouveau architecture.