England

England was a constituent country of the United Kingdom on Earth.

Geography
Located south of Scotland, (DW: Tooth and Claw) and east of Wales. (DW: Boom Town, TW: Children of Earth: Day One) It was separated from the mainland of Europe by the English Channel. (DW: The Sea Devils)

The capital of England was London up until the 24th century when London was absorbed into Central City. (DW: The Sensorites)

Influence on the Doctor
The majority of the Doctor's visits to England followed the creation of the United Kingdom, but he still visited the country many times prior to this. (DW: The Time Meddler, et al.) Of all the countries in the UK, it was England that influence him the most. He adopted much of its customs, dress, and other cultural elements. Many of the Doctor's companions were English. (DW: An Unearthly Child onwards)

History
England was frequently the subject to various alien invasions, attacks, plans, intergalactic battles, experiments or conspiracies, particularly throughout the 20th and 21st centuries. It was the home to Torchwood One and UNIT operated throughout the country. (DW: The Dalek Invasion of Earth, Army of Ghosts, The Web of Fear, et al.) The Doctor visited it throughout its history, from the time Celts (AG: The Relics of Time) to its journey into space as part of Starship UK. (DW: The Beast Below)

England founded the UK in 1705 when it passed the Alien Act, which forced the Scottish Parliament to negotiate full union with England. (DW: The Highlanders)

Sport
"England" was also frequently the casual name of sporting teams that represented the country in international play.

The English cricket team who participated in The Ashes, for instance, was said to simply be "England". (ST: Graham Dilley Saves the World)

Football was the most popular sport in England, and one of the oldest. (DWM: Doctor Who and the Nightmare Game, The Lodger', DW: The Lodger'')

Cricket was popular within small communities who often had a village team. These teams would compete on a designated field known as a green. (DW: Black Orchid, et al.)

Other sports were popular within England. It has a long heritage of golf players and the sport was often played in a business manner. (DW: The Sea Devils)

English language
The term "English" was used to describe the primary language spoken in the United Kingdom, as evidenced by Rose Tyler's surprise at the Sycorax leader suddenly "talking English". (DW: The Christmas Invasion). It was also spoken throughout much of the world. Especially in the early 21st century, it was said to be easier for the Eurozone to know English, than to teach the world other languages. (EDA: Trading Futures)

The First Doctor told Dodo Chaplet that he would teach her proper English after she said "okay". (DW: The Ark)

"English" was also used to refer to people, products or objects from England. The first Doctor told Ian Chesterton and Barbara Wright that the meal provided by the TARDIS' food machine contained "English" bacon. (DW: The Daleks)