England, part of Great Britain in the British Isles, (TV: Rise of the Cybermen, Boom Town) was not considered a part of mainland Europe, however Poland, France, and Norway were. (AUDIO: Their Finest Hour)
The Channel Islands were originally attached to the mainland of Europe via southern France in the distant past before they were broken away by the movement of tectonic plates over millions of years. Dragged by the forces of nature, they eventually settled in the English Channel. Britain and France disputed the ownership of the islands for centuries. The main islands were Jersey, Guernsey, Alderney and Sark, along with other smaller islands which were largely ignored and forgotten about by the average Briton or Frenchman, including the southernmost island, L'Ithe, where a Silurian shelter was located. (PROSE: The Scales of Injustice)
Mainland Europe was among the places on Earth which received deliveries of Bubble Shock! from the Bubble Shock! factory in London. (TV: Invasion of the Bane)