Bauska Castle is a complex consisting of the ruins of an earlier castle and a later palace on the outskirts of the Latvian city of Bauska.
While originally a hill fort, the Livonian branch of the Teutonic Knights built the castle in the fifteenth century, the palace was added in the sixteenth century, and restoration began in the nineteenth century.
Wikipedia https://en.wikipedia.org/wiki/Bauska_Castle
Address (Unnamed Road), 3901, Latvia
Coordinates 56°24'12.726" N 24°10'28.776" E