The city of Grudziądz has about 100,000 inhabitants and is located in the northern part of Poland, about 100 kilometres south of Gdansk in the Kujawsko-Pomorskie voivodship. It has a 7.6-kilometre-long, metre-gauge tram line. There is also a 1.4 kilometre branch line to the railway station, which is served only a few times a day by trams running from and to the depot.
The operator is → MZK Grudziądz (Miejski Zakład Komunikacji Sp. z o.o. w Grudziądzu)