The kingdom is a peninsula, terminated to the north-east by a ridge of mountains thirty miles high, which are altogether impassable, by reason of the volcanoes upon the tops: neither do the most learned know what sort of mortals inhabit beyond those mountains, or whether they be inhabited at all.
There are no more uses of "peninsula" in the book.
Show samples from other sources
A heavily fortified demilitarized zone divides the Korean peninsula.
The Moors crossed the Mediterranean into the Iberian peninsula.