Chittagong, officially known as Chattogram, is Bangladesh's second-largest city and one of its most important commercial and industrial hubs. Located on the southeastern coast along the Bay of Bengal, it serves as the principal maritime gateway for the country's burgeoning trade. Chittagong's diversity is seen in its cultural landscape, which incorporates a mix of ethnic groups, including Bengalis, Chakmas, and Rohingyas, among others. The city is also known for its natural beauty, with rolling hills, lush greenery, and sandy sea beaches, including the nearby Patenga Beach. Historically, Chittagong has been a significant seaport since the ancient times, mentioned in records by Greek and Roman geographers and travelers. The Port of Chittagong is the backbone of the region's economy, contributing significantly to national GDP. Tourist attractions include the WWII cemetery, the Foy's Lake amusement park, and the hill tracts. The city also acts as the gateway to the hill districts of Bandarban and Rangamati, which offer stunning landscapes and cultural richness.