Photo: Dorota Kowalik, CC BY 3.0 via Wikimedia Commons
Houses a museum, restaurants and cafes, and also houses tourist information office, you can get some free maps, pamphlets etc.
The Ducal Castle, also known as the Castle of the Dukes of Pomerania, and the Szczecin Castle, is a renaissance castle in the city of Szczecin, Poland, located at the Castle Hill in the Stare Miasto neighbourhood, near the Oder river. It is built in the gothic and Pomeranian mannerism architectural style. The castle was the seat of the dukes of Pomerania-Stettin of the House of Pomerania, who ruled the Duchy of Pomerania from 1121 to 1637. The building history originates in 1346, when Duke Barnim III began the construction of the ducal housing complex, and continues to 1428, when, under the rule of Casimir V, it was expanded, forming the castle. Currently, it is one of the largest cultural centres in the West Pomeranian Voivodeship.
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Loitzs Tenement
Interesting tenement near the Old Town. Go from Old Town in direction of Castle, and you'll see it after about 20–30 m on the left side. It is painted flashy orange, you can't miss it.
Stare Miasto
Jokingly referred to by locals as "Brand New Old Town" (its reconstruction only started in late 1990s and is ongoing), it has some nice houses rebuilt to original plans. Many shops, restaurants and cafes. There is a museum situated in the Old Town Hall.
St. Jacob's Cathedral
Large Gothic cathedral.
Filharmonia im. Mieczysława Karłowicza w Szczecinie
Szczecin's symphony orchestra that has its origins in 1948. Since 2014 they perform in the prominent and award-winning building designed by the Spanish Studio Barozzi Veiga. If you don't have time for a concert, the building is also worth a visit.
Palace under the Globe / Palace of Grumbkov
The building where two rulers of Russia (Catherine II and Maria Fiodorovna) were born.
Hakenterrasse
A promenade with great views on the Oder river and port. Many cafes are situated here. See the museum (Muzeum Morskie), situated just in the center of Waly which houses some artifacts from history of the city and has big collections of African and maritime artifacts.