Southshield is an island of the Shield Islands in the Reach. The southernmost of the isles, it lies near the mouth of the river Mander. It is the seat of House Serry.
A Feast for Crows
Southshield is conquered by the ironborn at the Battle of the Shield Islands. After the battle, King Euron Greyjoy raises Andrik the Unsmiling to the lordship of Southshield.