Mansion in Grabowo Królewskie is the ruins of a building from the interwar period, located in Grabowo Królewskie, part of Greater Poland Voivodeship. The mansion in Grabowo Krolewskie was built in 1928. It was entered into the registry of monuments in 1998. The mansion belonged to the owner of the village, Witold Wilkoszewski (November 22, 1881 - April 17, 1937). After World War II, it housed a lounge and a library. The manor house was surrounded by a garden. In his area, he placed concrete and plaster figurines of saints, farmers, and cupids. In 1928, the park was surrounded by a fence with gates.