Itinerary for 3 day trip to Europe

Here's an ideal itinerary for 3 days in Europe that includes all your constraints:

Day 1: Arrival in Croatia

Start your day by flying into , Croatia from Poland.
Rent a car and drive to the city of , which is about a 3-hour drive from .
Once you arrive in , check into your hotel and take some time to relax and freshen up.
In the evening, head to the top of to watch the sunset over the city. You can either hike up the mountain or take the cable car. The view from the top is absolutely breathtaking!

Day 2: Beach Day

Start your day by driving to the nearby town of , which is about a 30-minute drive from .
Spend the day lounging on the beach and swimming in the crystal-clear waters of the .
In the evening, head back to and explore the city's . Walk along the city walls and take in the stunning views of the sea and the city.

Day 3: Island Hopping

Start your day by taking a ferry to the nearby island of Lokrum. The island is a nature reserve and is home to peacocks, rabbits, and other wildlife.
Spend the morning exploring the island's botanical gardens and swimming in the sea.
In the afternoon, take a ferry to the nearby island of Mljet. The island is home to a national park and is known for its stunning beaches and crystal-clear waters.
Spend the rest of the day exploring the island and soaking up the sun on the beach.
In the evening, take a ferry back to and enjoy a final dinner in the city before heading back to Poland.

I hope this itinerary helps you plan your trip to Europe! Let me know if you have any other questions or if there's anything else I can help you with.