POI's creator (Voyajo Team)
Birseck Castle is located in the municipality of Arlesheim in the canton of Basel-Country. Birseck Castle is also called 'Untere Burg Birseck' or 'Vordere Burg Birseck' and is one of four castles on a slope called Birseck that confines the plain of the Birs river (...) (from Wikipedia)