Grzędy [ˈɡʐɛndɨ] is a village in the administrative district of Gmina Tarczyn, within Piaseczno County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north-west of Tarczyn, 16 km (10 mi) south-west of Piaseczno, and 28 km (17 mi) south-west of Warsaw.