It lies on that city's Royal Route and links Nowy Świat (New World) Street, to the north, with Ujazdów Avenue to the south.
Until the 18th century, the area now occupied by the square was little more than sparsely-populated open terrain south of the then-city limits of Warsaw.
[citation needed] In 1752, Grand Marshal of the Crown Franciszek Bieliński erected nearby a statue of St. John of Nepomuk, also holding a cross.
[citation needed] In the square stands the neoclassist St. Alexander's Church, designed 1818–25 by the Polish architect Chrystian Piotr Aigner.
[citation needed] During the 1944 Warsaw Uprising, the square and most of the surrounding buildings were destroyed or deliberately demolished by the Germans.