Thessaloniki rewards visitors who prioritize its layered history over trying to see everything. Start at the White Tower (Lefkos Pyrgos), the citys waterfront symbol, then walk a few minutes to the Arch of Galerius, a Roman monument marking the old imperial route through the city. The Church of Agios Demetrios, dedicated to the citys patron saint, and the nearby Archaeological Museum of Thessaloniki fill in the Byzantine and ancient chapters, while the Upper Town (Ano Poli) offers quiet lanes and city views once the lowland sights are covered. These stops alone capture Thessalonikis Roman, Byzantine, and modern identity within a single walkable day.