Upper Castle in Opole - one of the two castles in Opole. Demolished in 1669. The only remnant is the tower built at the end of the 14th century. Currently, it is part of the building of the Mechanical School Complex at Osmańczyka Street.
There are two views on the origin of the castle. One which is that it was built before the 13th century as a wooden manor of a castellan. The second is that the Upper Castle was built only in the 14th century by Ladislaus of Opole. In the 16th century it was intended for a prison. In the 17th century, the chapel of the Upper Castle was given to Protestants by prince Gábor Bethlen of Transylvania during his reign in Upper Silesia in 1622-1624. In 1669, during the reign of the Habsburgs, the area of the castle was handed over to the Jesuits. Given its wretched state, the monks destroyed it, leaving only one tower. In 1844 it was raised with the fourth floor and topped with a Gothic crenelage. In the late 19th century, the tower was given a gymnasium and in 1936-1937 one more wing. The tower includes a preserved pointed arch portal and blends, which are probably remnants of the entrance gate. On the side of the tower there is a short stretch of Gothic defensive wall.