关内

关内	Guān nèi	the region inside the major mountain passes of ancient China
关	Guān	surname Guan
关	guān	mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve
内	nèi	inside / inner / internal / within / interior