Choosing between Zagreb and Split depends on whether you prefer Central European "Old World" culture or Mediterranean seaside history. Zagreb, the capital, is best for those who love museums, vibrant café culture, and Austro-Hungarian architecture. It feels like a "mini-Vienna," featuring beautiful parks, the quirky Museum of Broken Relationships, and a world-class Christmas market. It is generally cheaper and less crowded than the coast. Split, on the other hand, is the quintessential Adriatic destination, built into and around the ancient Diocletian's Palace. It is the "better" choice if you want sun, beaches, and easy ferry access to islands like Hvar and Brač. Split offers a lively, "salty" atmosphere with palm-lined promenades and Roman ruins that are still used as homes and shops. In 2026, Zagreb is increasingly popular as a year-round "city break" for foodies, while Split remains the premier summer hub for those seeking the turquoise waters of the Dalmatian coast. If you have time, most travelers find that starting in the urban elegance of Zagreb and taking a 4-hour bus or train ride down to the coastal energy of Split provides the most complete Croatian experience.