Kluczbork is a town located in southern Poland within the Opole Voivodeship. As of 2019, the municipality had a population of 23,554 inhabitants and serves as the capital of Kluczbork County.
The town functions as an important railroad junction where the major rail line from Katowice splits into two primary directions: westwards toward Wrocław and northwards toward Poznań. Additionally, the railway infrastructure connects the town with Fosowskie.