1. Visit Pula
Quoted by the Italian poet Dante Alighieri in the Divine Comedy "as Pula, along the Kvarner gulf, that marks the end of Italy and bathes its boundaries", Pula is an ancient city, with evidence of human presence dating back 1 million years, reaching its zenith during the Roman rule in 46–45 BC, when it was raised to colonial rank and the sixth roman amphitheatre was built there.
2. Visit Opatija
Opatija came to fame in the late 19th century as a royal holiday town, built as the first tourist resort on the Croatian coast from a small fishing village.
With the secessionist and neo-classical mansions climbing steeply into the hills, Opatija offers stunning vistas, great architecture and Viennese style coffee houses well worth a visit.
3. Visit Zagreb
A town formed from two rival hilltop villages, Kaptol and Gradec, whose numerous disputes ended in carnage on Krvavi most (Bloody bridge), Zagreb is today a bustling metropolis and the capital of Croatia. Rich with cultural sights and small underground designer stores, it can be very interesting for a short trip or even a long weekend.
4. Visit Dubrovnik
The poster city off the Croatian National Toursim Board, Dubrovnik is known as one of the oldest free trading towns in the Mediterranean, rivaling Venice.
Should you wish to see it during your stay in Croatia, there are flights from Pula Airport that can take you there and back for a daily tour.
5. Rafting on river Mrežnica
Plenty of waterfalls, greenery and clear, warm water make river Mrežnica one of the most beautiful rivers in Croatia.
Ideal for canoeing, rafting and great for kayaking, one can travel along river Mrežnica from one to five days.
6. Explore the Risnjak Nature Park
Located in Gorski kotar, the most mountainous and heavily forested region of Croatia, about 15 km inland from the Adriatic Sea, the park covers 63.5 square kilometers. As a place where Dinaric and Alpine zones meet, Risnjak offers a magnificent variety in plant and wildlife on a relatively small area.
7. Explore the Plitvice National Park
The oldest national park in Southeast Europe and the largest national park in Croatia, also a UNESCO World Heritage site, Plitvice lakes have more than 1,200,000 visitors per year and are among the most visited nature parks in the world.
8. Fly with Griffon Vultures from the Cres Nature Park
Very steep and wild, Cres is quickly becoming an important conservation project due to its wondruous biodiversity that includes 24 reptile, 200 bird, 87 butterfly, 15 bat, 7 amphibian, 31 dragonfly species, as well as a colony of 120 bottlenose dolphins that live around the archipelago.
If you call yourself a nature lover, you will visit Cres.
9. Spend a day in Fužine
Surrounded by three mountains (Tuhobić, Viševica and Bitoraj) and three lakes (Bajer, Lepenica and Potkoš), Fužine is only an hour away from Rovinj and Vrsar.
Fužine is today a nice little town renowned for its typical mountain cuisine that includes bear paws, frogs and other interesting delicacies.
10. Visit Susak, the only sand island in Croatia
Susak, a wondrous sand island resting on limestone bedrock, completely different from any other island in Croatia, devoid of traffic and tourism, a unique experience worth the trouble of getting there.