Tilphossaeum
Tilphossaeum or Tilphossaion , also Tilphosaeum or Tilphosaion ( Τιλφώσαιον or Τιλϕωσαΐον ) , or Tilphusium or Tilphousion ( Τιλφούσιον ) , was a fortress in ancient Boeotia that commanded the narrow pass between Mount Tilphossium and Lake Copais , which pass was one of great importance in antiquity , as the high road from northern Greece to Thebes passed through it . 
<triplet> Thebes <subj> ancient Boeotia <obj> located in the administrative territorial entity