Thule is the most northerly location mentioned in ancient Greek and Roman literature and cartography. Modern interpretations have included Orkney, Shetland, Northern Scotland, the island of Saaremaa (Ösel) in Estonia, and the Norwegian island of Smøla.
Thule as Tile on the Carta marina of 1539 by Olaus Magnus, where it is shown located to the northwest of the Orkney islands, with a "monster, seen in 1537", a whale ("balena"), and an orca nearby.
A local stamp of Greenland 1936, inscribed Thule
Shetland, also called the Shetland Islands, is an archipelago in Scotland lying between Orkney, the Faroe Islands, and Norway. It is the northernmost region of the United Kingdom.
Lerwick is Shetland's largest settlement
Mainland, Shetland
Unst
Aurora in Scatness