Seskarö (Meänkieli: Seittenkaari) is a locality situated in Haparanda Municipality, Norrbotten County, Sweden with 491 inhabitants in 2010.[1] It is located on the island with the same name which is about 20 km2 and situated in the Haparanda Archipelago. Since 1978, it has been connected to the mainland through a bridge, via some intermediate islands.