The siege of Kraków was one of the battles during the Swedish invasion of Polish–Lithuanian Commonwealth (Second Northern War / "Deluge"). It started on 25 September 1655 and ended on 13 October 1655. Capitulation treatment was signed 4 days later. Polish troops marched out the city on 19 October. The city's defense was led by Kiev's castellan Stefan Czarniecki, while Swedish forces were commanded by king Charles Gustav and Arvid Wittenberg.