Scandinavia

Scandinavia was an Arctic area of Earth (PROSE: The Dying Days) in northern Europe. (PROSE: Project: Valhalla)

Geography
Lapland was located in northern Scandinavia, (PROSE: Project: Valhalla) as were Norway, Finland, and Sweden. (PROSE: Project: Lazarus)

History
The Second Doctor, Jamie and Zoe visited Scandinavia some time in the 8th century. When Zoe asked if it was the time of the Vikings, the Doctor replied that it was some time before then. (PROSE: That Which Went Away)