Athens

Athens was the capital of Greece and its largest city.

The Tenth Doctor and June visited Greece in 1500 BC, at the site where Athens would later be built. They later visited the city near the height of its power. (NSA: The Slitheen Excursion)

The Doctor claimed to have visited the Parthenon in Athens while it was being built. (BFA: The Spectre of Lanyon Moor)

The Fourth Doctor took Leela to Athens to see a play by Aristophanes. (ST: The Brain of Socrates)

In the early 21st century, Baskerville predicted that Athens would be devastated by a tidal wave, and planted a bomb to ensure this would happen. (EDA: Trading Futures)