Ostrow Tumski which is known as Cathedral Island is the gate to the beginning of Polish history. Look around early Medieval Times buildings, stunning churches, landscapes by the Warta River and discover fascinating history of gold times in Poznan. Choose one of our excellent tour options tailored to your needs and interests. Read the description of the options carefully as each option includes a different program. 3-Hours Private Guided Tour During 3-hours version you will see Srodka District, Ostrow Tumski, Cathedral Island with entrance to Poznan Cathedral. 4-Hours Private Guided Tour During 4-hours version you will see Srodka District, Ostrow Tumski, Cathedral Island with entrance to Poznan Cathedral and sightseeing Old Town. Poznan is a pearl among the best cities in Poland. Start the tour in front of Church of Saint John of Jerusalem. It is a centuries-old building with unique architectural features like a tower with an asymmetrical roof.