 Other cities include Piotrków Trybunalski, Bochnia, Krasnystaw, Olkusz, Sieradz and Wieluń.Krakowskie Przedmieście was established in the 15th century as a trade route.It is one of the oldest avenues in Warsaw and the first part of the Royal Route that connects the Royal Castle with King John III Sobieski's 17th century Wilanów Palace at the southern periphery.