Thessaloniki is a pleasant city to explore on foot. However, it does have an efficient and extensive bus service. Taxis are plentiful and can be called in advance or hailed from the street. They're also available at several taxi ranks in the city.For visitors planning to head off into the surrounding areas, hiring a car is a pleasant way to see the country. That said, there are frequent bus trips to the more famous sites.Public transport in the city is primarily provided by the Organization of Urban Transportation of Thessaloniki (abbreviated as OASTH after the Greek). Single tickets can be bought upon boarding, while multiple-journey tickets can be bought at ticket outlets. The OASTH website provides a full list of where to find them.Regional buses for long-distance travel can be found at the Macedonia Intercity Bus Terminal. OASTH also runs a tourist line on route 50, which provides transport to major attractions throughout the city.