När is a populated area, a socken (not to be confused with parish), on the Swedish island of Gotland, with 413 inhabitants in 2014.

[2][3] It comprises the same area as the administrative När District, established on 1 January 2016.

[4] The När Lighthouse is located east of the village on Närsholmen.

[6] As of 2019[update], När Church belongs to När-Lau parish in Burs pastorat, along with the church in Lau.

This article about a location in Gotland County, Sweden is a stub.