Palma is a resort city and capital of the Spanish island of Mallorca (Majorca), in the western Mediterranean. The massive Santa María cathedral, a Gothic landmark begun in the 13th century, overlooks the Bay of Palma. The adjacent Almudaina is a Moorish-style Arab fortress converted to a royal residence. West of the city, hilltop Bellver Castle is a medieval fortress with a distinctive circular shape.

Ajaccio is the capital of Corsica, a French island in the Mediterranean Sea. A port city on the rugged isle's western coast, it was the birthplace of French Emperor Napoléon Bonaparte in 1769. His ancestral home, Maison Bonaparte, is now a museum displaying family heirlooms.

Alghero is a city on the northwest coast of Sardinia, Italy. Encircled by ancient walls, it’s known for its cobblestoned old center. Its Catalan Gothic buildings include the Cattedrale di Santa Maria, with an imposing bell tower, Palazzo Guillot and Chiesa di San Francesco, a 14th-century church. The nearby Chiesa San Michele has a colorful tiled dome.

Messina is a harbor city in northeast Sicily, separated from mainland Italy by the Strait of Messina. It’s known for the Norman Messina Cathedral, with its Gothic portal, 15th-century windows and an astronomical clock on the bell tower. Nearby are marble fountains decorated with mythological figures, like the Fontana di Orione, with its carved inscriptions, and the Neptune Fountain, topped by a statue of the sea god.

Dubrovnik is a city in southern Croatia fronting the Adriatic Sea. It's known for its distinctive Old Town, encircled with massive stone walls completed in the 16th century. Its well-preserved buildings range from baroque St. Blaise Church to Renaissance Sponza Palace and Gothic Rector’s Palace, now a history museum. Paved with limestone, the pedestrianized Stradun (or Placa) is lined with shops and restaurants.

Korčula is a Croatian island in the Adriatic Sea. It has an area of 279 km²; 46.8 km long and on average 7.8 km wide — and lies just off the Dalmatian coast.

Trogir is a town on the central Adriatic coast of Croatia. Its preserved old town, known for its mix of Renaissance, baroque and Romanesque buildings, lies on a small island connected to the mainland and the island of Čiovo by bridges. The 13th-century Cathedral of St. Lawrence houses the Renaissance Chapel of St. John and offers sweeping views from its bell tower. Parts of the medieval city walls remain intact.

Trieste is the capital city of the Friuli Venezia Giulia region in northeast Italy. A port city, it occupies a thin strip of land between the Adriatic coast and Slovenia’s border on the limestone-dominated Karst Plateau. Italian, Austro-Hungarian and Slovenian influences are all evident in its layout, which encompasses a medieval old city and a neoclassical Austrian quarter.

Piran is a resort city on Slovenia’s Adriatic coast, known for its long pier and Venetian architecture. Tartini Square is flanked by the Gothic red Venetian House and the frescoed Tartini House. The latter is the birthplace of violinist Giuseppe Tartini. The 19th-century town hall has a stone lion, a symbol of the former Republic of Venice. St. George’s Cathedral, nearby, has 17th-century paintings and marble altars.

Venice, the capital of northern Italy’s Veneto region, is built on more than 100 small islands in a lagoon in the Adriatic Sea. It has no roads, just canals – including the Grand Canal thoroughfare – lined with Renaissance and Gothic palaces. The central square, Piazza San Marco, contains St. Mark’s Basilica, which is tiled with Byzantine mosaics, and the Campanile bell tower offering views of the city’s red roofs.