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.

Marghera is a municipalità of the comune of Venice, Italy. It includes the industrial area known as Porto Marghera or Venezia Porto Marghera.

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.

Kotor has many historic buildings, the largest and most beautiful of which is St. Tryphon Cathedral, which was built in 1166 and contains many frescoes and a treasury of jewels. Also notable are the church

Corfu, an island off Greece’s northwest coast in the Ionian Sea, is defined by rugged mountains and a resort-studded shoreline. Its cultural heritage reflects years spent under Venetian, French and British rule before it was united with Greece in 1864. Corfu Town, flanked by 2 imposing Venetian fortresses, features winding medieval lanes, a French-style arcade and the grand Palace of St. Michael and St. George.

Zakynthos is a Greek island in the Ionian Sea and a well-known summer resort. The harbor city of Zakynthos is the capital and major hub, centered around waterfront Solomos Square. Popular beaches like Agios Nikolaos, Alykanas and Tsilivi offer swimming and water sports. Accessed by boat, Navagio beach is the site of a famed 1980 shipwreck resting in a sandy cove framed by cliffs.

Bari is a port city on the Adriatic Sea, and the capital of southern Italy’s Puglia region. Its mazelike old town, Barivecchia, occupies a headland between 2 harbors. Surrounded by narrow streets, the 11th-century Basilica di San Nicola, a key pilgrimage site, holds some of St. Nicholas’ remains. To the south, the Murat quarter has stately 19th-century architecture, a promenade and pedestrianized shopping areas.