Arka is one of the most supported clubs in Poland, drawing in support from mostly across Pomerania. Outside the Tricity, Arka has fan-clubs in all major cities and towns in the region, such as Tczew, Wejherowo, Braniewo and Kościerzyna for example, as well as fan-clubs in places further away such as Zakopane and Lublin Voivodeship, and even two fan-clubs in Germany set up by expatriate Arka fans, in Oberhausen and Stuttgart.
