Port Royal is a city in South Carolina.
On the night of The Blackout, Miles Matheson and Sebastian Monroe are driving on Interstate 95 when Miles receives a frantic phone call from Ben Matheson warning him that the Blackout is going to happen; a few minutes later Miles and Bass's phones die, then every car on the highway rolls to a stop. Miles asks Bass what is going on
By 2027, the city has became part of the Georgia Federation. Its current status is unknown.