Zalesie Dolne [zaˈlɛɕɛ ˈdɔlnɛ] is a neighbourhood of Piaseczno, Poland,[1] located in the southern part of the town, in the Warsaw metropolitan area.

Writer Maria Dąbrowska and future Primate of Poland Stefan Wyszyński often visited their families there.

[3] Following the joint German-Soviet invasion of Poland, which started World War II in September 1939, Zalesie Dolne was occupied by Germany.

[6] In August 1944, the Germans perpetrated a massacre of ten Poles from nearby Orężna in Zalesie Dolne (see Nazi crimes against the Polish nation).

[9] Sights include numerous historic villas, including the house of Tadeusz Zawadzki nom de guerre Zośka, a focal point of the Polish resistance movement in World War II, and the House-Museum of Georgian Officers of the Polish Army (Dom Muzeum Gruzińskich Oficerów Wojska Polskiego).