It is the easternmost point of Sweden and it is part of the Haparanda archipelago.

It is about 2 kilometres (1.2 mi) long and 200 to 500 metres (660 to 1,640 ft) wide.

In the years since then, post-glacial rebound has caused the land in the region to rise relative to sea level, joining the two islands.

The border now crosses the southeastern part of the combined island, and is marked by two national cairns.

The eastern peninsula is covered in deciduous trees such as rowan, alder and willow, while the remainder is covered by coniferous trees.