Nikola Šubić Zrinski Square 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 Green horseshoe or Lenuci's horseshoe, which consists of seven squares in Donji grad. It is spread over an area of 12,540 square meters.