Nikola Šubić Zrinski Square (Croatian: Trg Nikole Šubića Zrinskog, popularly referred to as Zrinjevac) is a square and park in Donji Grad, the central part of Zagreb, the capital of Croatia. It is located near the central Ban Jelačić Square, halfway towards the Main Railway Station. It is a part of the so-called Green horseshoe or Lenuci's horseshoe (Croatian: Zelena potkova or Lenucijeva potkova), which consists of seven squares in Donji grad.