Thessaloniki is the second-largest city in Greece, located in the northern part of the country along the Thermaic Gulf. Known for its rich history, it has been a significant cultural and economic center since ancient times. The city is famous for its diverse architecture, which reflects its various influences, including Roman, Byzantine, and Ottoman periods. The city is home to several important landmarks, such as the White Tower, which is a symbol of Thessaloniki, and the Rotunda, a massive round building originally built as a mausoleum. Thessaloniki also hosts numerous festivals and events, celebrating its vibrant culture and traditions.