Naqsh-e Jahan Square, known as Imam Square (میدان امام), formerly known as Shah Square (میدان شاه), is a square situated at the center of Isfahan city, Iran. Constructed between 1598 and 1629, it is now an important historical site, and one of UNESCO’s World Heritage Sites. It is 160 meters wide by 508 meters long (an area of 89,600 m). The square is surrounded by buildings from the Safavid era. The Shah Mosque is situated on the south side of this square.