Resarö is an island in the

Stockholm archipelago The Stockholm Archipelago () is the largest archipelago in Sweden, and the second-largest archipelago in the Baltic Sea (the largest being the Archipelago Sea across the Baltic in Finland). Part of the archipelago has been designated as a Rams ...

and a locality in

Vaxholm Municipality Vaxholm Municipality (, semi-officially ) is a municipality in Stockholm County in east central Sweden. The municipal slogan is "Vaxholm – the capital of the archipelago", due to its central location in the archipelago. Its seat is located ...

, Stockholm County,

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

. It had 3,212 inhabitants in 2020. Resarö includes the hamlet of

Ytterby Ytterby () is a village on the Swedish island of Resarö, in Vaxholm Municipality in the Stockholm archipelago. Today the residential area is dominated by suburban homes. The name of the village translates to "outer village". Ytterby is the ...

, famous for the discovery of several

rare-earth element The rare-earth elements (REE), also called the rare-earth metals or rare earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), are a set o ...

s in a local mine. At its southern end, the island is crossed by , with a bridge to the south linking it to the island of Kullö and, via that, to the Vaxholm urban area. To the west, a bridge links to the mainland via the islet of Bullerholmen. Local roads connect the county road with centres of population to the north of the island. Except for the winter months, passenger ships of the '' Waxholmsbolaget'' call at a pier in Ytterby, providing a connection to Vaxholm town and Stockholm city.

The name

The old form of the name was ''Risarna''. The first element is ''ris'' ' brushwood' - the last element is derived from ''arin'' '

gravel Gravel () is a loose aggregation of rock fragments. Gravel occurs naturally on Earth as a result of sedimentation, sedimentary and erosion, erosive geological processes; it is also produced in large quantities commercially as crushed stone. Gr ...

; island made by gravel'. The last element ''ö'' 'island' was added in the 16th century.

References

Islands of the Stockholm archipelago Islands of Vaxholm Municipality Populated places in Vaxholm Municipality {{Stockholm-geo-stub