5. Valencia, Spain
Spain’s third-largest city is a treasure trove of art, history, and delicious food. Valencia is famous for being the birthplace of paella, and its beaches, futuristic City of Arts and Sciences, and lively markets make it a top-tier destination without the steep prices of Barcelona or Madrid.

6. Ljubljana, Slovenia
Ljubljana is one of Europe’s most underrated capitals. Its compact size makes it easy to explore on foot, with highlights like Ljubljana Castle, the Triple Bridge, and vibrant riverside cafes. The nearby Lake Bled is an easy day trip for breathtaking natural beauty.