Thessaloniki, also known as Saloniki, is Greece's second-largest city and the capital of Macedonia. With thousands of years of history, it is a modern metropolis brimming with places of interest, from its UNESCO-listed paleo-Christian and Byzantine monuments to the iconic White Tower, a remnant of its Ottoman past. The Ano Poli, or Upper Town, are captivating, offering old city walls and fantastic views across the city and Thermaic Bay.