Greece

Greece was a country in Southern Europe, on Earth. Aliens frequently became involved in its history.

History

In ancient times, the Immortals were worshiped as gods by the Greeks. (PDA: Deadly Reunion)
The Doctor claimed to have met the legendary Greek hero Theseus. (DW: The Creature from the Pit, The Horns of Nimon)
The Tenth Doctor and June visited Greece in 1500 BC, where they stopped the Slitheen from exploiting the local humans. (NSA: The Slitheen Excursion)
Circa 1200 BC, the Greeks participated in the Trojan War. This was when the first incarnation of the Doctor met Katarina. (DW: The Myth Makers)
Greek civilisation was influenced by the Dæmons and Scaroth. (DW: The Dæmons, City of Death)
The Doctor claimed to have visited the very first Olympic Games and watched naked men throwing a discus before a giant crowd. (DW: Fear Her)
The Greek philosopher Bigon was abducted by the Urbankans. (DW: Four to Doomsday)
The Doctor claimed to have met both Alexander the Great and Pyrrho. (DW: Robot, The Keys of Marinus)
One of the ships used by the Eternals in their contest for Enlightenment resembled a Greek trireme and was crewed by Greek sailors. (DW: Enlightenment)
While on holiday in Greece, June met the Tenth Doctor and helped him defeat a group of aliens who posed a threat to Athens. (NSA: The Slitheen Excursion)
In 2009, the "Hellenic Republic" was among the nations which agreed to let John Frobisher speak on their behalf to the 456. (TW: Children of Earth: Day Three)
In the 21st century, Greece declared itself bankrupt during the Miracle. (TW: End of the Road)