Reykjavik

Reykjavik was the capital and largest city of Iceland.

In 1984, Major Whitaker of UNIT was sent by Brigadier Lethbridge-Stewart to Reykjavik to meet with Dr Iskander and investigate an unnatural increase in volcanic and seismic activity. (DWM: The Fires Down Below)

In Pete's World in 2007, Reykjavik was home to a renowned florist named Veronica. (DW: Rise of the Cybermen)

In the early 22nd century, the President of the Union of Solar Republics was based in Reykjavik. (NA: Transit)

In 5000, the city was seized by the Supreme Alliance after the fall of the Icelandic Alliance. The Supreme Alliance itself fell after the Filipino Army advanced on Reykjavik, an event the Fourth Doctor claimed to have witnessed. (DW: The Talons of Weng-Chiang)