FlixBus Polska sp. z o.o. Friedenheimer Brücke 16, 80639 München

FlixBus is an international bus operator offering travel throughout Poland and Europe. Its famous green buses run on routes such as Olsztyn-Wałbrzych and Zakopane-Świnoujście. Thanks to its international network, you can also travel from Warsaw-Berlin and Krakow-Vienna.