The Narrows were the central region of Mirkwood between the East Bight and the Western Eaves.While the Wood-elves claimed the northern parts of the forest unto the Enchanted River they left the central region, between the
"Narrows" by the East Bight and the Mountains, to the Beornings and Wood-men.However the lands were dangerous and under patrol of men and Orcs sworn to Dol Guldur.No men ever lived in the dense central parts forests.