There are several cities by the name of London througout the world. If you are asking about London which is located in southeast England and is the capital of the United Kingdom - it is part of the continent of Europe.
London is the capital of Britain, and Britain is part of the continent of Europe.
Europe
London, England is in the continent of Europe.
The London Eye is in London, England which is part of the continent of Europe.
London is the capital of the United Kingdom , the European Continent
London, England is in the continent of Europe.
The London Eye is in London, England which is part of the continent of Europe.
London, England, is on the continent of Europe, even though the British Isles are separated from the mainland by the English Channel. London, Canada, is on the continent of North America.
London, England is in the continent of Europe.
London is the capital of the UK. It is located in Europe.
Europe
Europe
Greenwich is a suburb of London in England so is part of the continent of Europe.
In London, on the continent of England.