Słubice is a border town located in western Poland within the Lubusz Voivodeship. It serves as the capital of Słubice County and functions as the administrative seat of the Gmina Słubice. The town is situated in the historical region known as Lubusz Land.
As of 2019, the population of Słubice was 16,705. It is part of a larger urban agglomeration known as Słubice-Frankfurt (Oder), which has a total population of approximately 85,000 inhabitants.