Bergamo, in northern Italy’s Lombardy region, is a city of striking contrasts, divided into the historic upper town and the modern lower town. The upper town, perched on a hill and encircled by Venetian walls, offers cobblestone streets, medieval architecture, and panoramic views over the surrounding plains and the distant Alps.

Saint-Malo, a captivating walled city on the coast of Brittany, France, invites visitors to step back in time while embracing the beauty of the rugged coastline. Known for its rich maritime history, this former pirate stronghold has retained its medieval charm, with narrow cobblestone streets, towering granite walls, and fortifications that echo tales of seafaring adventures.

Yilan is a city in northeastern Taiwan and the administrative center of Yilan County, set on a broad plain between the Central Mountain Range and the Xueshan Range. The region is known for rice fields, rivers, hot springs, and a humid climate shaped by frequent rainfall. The Lanyang River and its tributaries run through the surrounding countryside, supporting fertile agricultural land.

Marbella, located between the Mediterranean Sea and the Sierra Blanca mountains, is often associated with its luxury resorts and famous marina, Puerto Banús. But beyond the polished storefronts and designer yachts, the city has a layered past. Its old town, known as Casco Antiguo, is a well-preserved network of narrow streets built during Moorish rule, with whitewashed buildings, flower-filled balconies, and hidden plazas like Plaza de los Naranjos, which dates back to the 15th century.

Chittagong, officially known as Chattogram, is a major port city in southeastern Bangladesh, located near the Bay of Bengal and the mouth of the Karnaphuli River. It is an important commercial center, with the Port of Chattogram serving as the country's principal seaport.