Wiślica is a town located in Busko County within the Świętokrzyskie Voivodeship of south-central Poland. Situated on the Nida River, it serves as the seat of Gmina Wiślica and is positioned approximately 14 km south of Busko-Zdrój and 60 km south of Kielce, the regional capital.
The town is notable for its small size; in 2018, it was recorded as the smallest town in Poland. As of 2016, the population of Wiślica was 503 residents.