The Cittadella Nuova, now called the Giardino di Scotto or Giardino Scotto is an old fortress in Pisa.
Wikipedia https://en.wikipedia.org/wiki/Cittadella_Nuova
Address 27 Via Giovanni Bovio, Pisa 56125, Italy
Coordinates 43°42'42.486" N 10°24'25.52" E