Radonia is a village in the administrative district of Gmina Mniszków, within Opoczno County, ód Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) south-west of Mniszków, 22 km (14 mi) west of Opoczno, and 60 km (37 mi) south-east of the regional capital ód . The village has a population of 140. Gmina Mniszków is a rural gmina (administrative district) in Opoczno County, ód Voivodeship, in central Poland. Its seat is the village of Mniszków, which lies approximately 18 kilometres (11 mi) west of Opoczno and 61 km (38 mi) south-east of the regional capital ód .