Piaseczno was created in 1429.
The population of Piaseczno is 37,508.
Gmina Piaseczno's population is 62,823.
The population of Piaseczno County is 145,276.
The area of Piaseczno is 16.33 square kilometers.
The area of Gmina Piaseczno is 128.22 square kilometers.
The area of Piaseczno County is 621.04 square kilometers.
Waclaw Sieroszewski died on April 20, 1945, in Piaseczno, Mazowieckie, Poland.
Tomasz Szukalski died on August 2, 2012, in Piaseczno, Mazowieckie, Poland.
Agnieszka Dygant was born on March 27, 1973, in Piaseczno, Mazowieckie, Poland.
Piotr Zajlich died on April 18, 1948, in Piaseczno, Mazowieckie, Poland.
Rafal Ziemkiewicz was born on September 13, 1964, in Piaseczno, Mazowieckie, Poland.
Marcin Lomnicki was born on October 24, 1958, in Piaseczno, Mazowieckie, Poland.