The Main Market Square, one of the largest medieval squares in Europe, was laid out in 1257. The buildings surrounding the square, erected between the 14th and 15th centuries, have been rebuilt over time. 14th and 15th centuries, have been rebuilt several times over time.
In the centre of the square stretches the grandiose building of Sukennice. In 1358 Casimir the Great ordered the construction of a single, 100 metres long, trading hall. trading hall. In 1558 a Renaissance attic with stucco decorations was added, and in 1875 a neo-Gothic arcade was added. a neo-Gothic arcade was added in 1875. On the first floor, in addition to spacious rooms for balls and receptions. and receptions, the Gallery of Polish Paintings was built on the second floor. The ground floor of the building of the building houses souvenir shops, and on the second floor there is the People's Museum dedicated to national painting and sculpture. national painting and sculpture.

