Gruszka [ˈɡruʂka] is a village in the administrative district of Gmina Radoszyce, within Końskie County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 9 kilometres (6 mi) south of Radoszyce, 24 km (15 mi) south of Końskie, and 27 km (17 mi) north-west of the regional capital Kielce.