Donnersmarck Palace

Donnersmarck Palace in Siemianowice Śląskie, Poland, is a Classical palace whose building began in the 17th century under the Polish noble Mieroszewski family, who bore the Ślepowron coat of arms. The complex combines an older Baroque wing with later Classical additions and played a continuous role as a landed estate seat and noble residence from the early modern period into the 20th century, undergoing repeated rebuilding, change of ownership, and adaptation to new uses.

The estate belonged to the Mieroszewski family from at least the 16th century and the family initiated construction in the 17th century. Ownership passed in 1692 from Stanisław Mieroszewski to Bogusław Hunter von Grandon, and in 1718 Grandon sold the property to Juliana Maximiliana Coob von Neyding. After her death the estate passed to her son Karol Henckel von Donnersmarck, and Karol’s son Łazarz Henckel von Donnersmarck established the palace as the family’s permanent home. Between 1778 and 1789 the northern Mieroszewski wing received a new west wing, enlarging the main corps.

During the Napoleonic Wars the palace was plundered in 1807, an episode of damage within the wider conflict of the Fourth Anti‑French Coalition. Around 1830 a significant reconstruction reshaped the complex: the chapel and the facades were rebuilt, a Classical east wing was added and linked to the older northern Baroque wing, and an earlier gate tower was incorporated into the new east range. By the mid‑19th century the ensemble comprised the main corps, two outbuildings called officines, a gate, two farm buildings, and a surrounding park.

Around 1850 a southern outbuilding was attached to the main building, and later in the 19th century alterations included changes to the stairway. The southern addition was removed in 1934. At the end of the 19th century the Donnersmarck family sold the complex and the 20th century brought frequent changes of ownership. The palace was modernized between 1921 and 1926. From 1926 until 1932 the most notable interwar occupant was Józef Kiedroń, a former government minister who directed the Upper Silesian United Steelworks Królewska and Laura while living at the palace.

During the German occupation from 1939 to 1945 authorities converted representative halls into small office rooms and cut new window openings, interventions that severely damaged historic interior decoration. Municipal ownership passed from the local mine to the city in 1990. In 2005 a private company bought the property with a discount and prepared a plan to adapt the building for hotel use, and partial renovation work began in 2009. Ownership then changed hands several times, including purchases in 2011 and 2013, and the current owner is Inspiration Point S.A. The main corps has a volume of more than 23,000 cubic metres. In 2016 the city council placed the palace in a local revitalization program that allowed applications for European Regional Development Fund financing. In April 2018 grant agreements were signed with the regional marshal and the owner was scheduled to receive nearly 20 million PLN for further revitalization, with about 80 percent of the palace area designated for social activities. As of July 2021 the renovated building contained a brewpub restaurant, and plans called for rooms for exhibitions, vernissages, and art workshops.