Mesen Castle was an important noble residence in Lede, Belgium, today partly ruined and completely abandoned. The 18th century castle is considered to have been one of the most important aristocratic estates of the 18th century.
Wikipedia https://en.wikipedia.org/wiki/Mesen_Castle
Address Lede 9340, Belgium
Coordinates 50°58'4.311" N 3°59'8.893" E
