Houses of Parliament
tower of London ....
London has 32 individual boroughs which includes the City of London - which is mainly the financial area- and the City of Westminster which has most of the government buildings and tourist areas.
There are thousands of buildings in London dating from 1800 and earlier.
The Roman Forum.
Because London is the capital city of the UK, just as Washington DC is the capital city of the US. The question was WHERE, not WHY. At Whitehall (buildings situated in the centre of the city).
London is known for being the capital city of England and houses important government buildings, many different Universities/Colleges, thousands of jobs and a large population. It is also where the Queen resides.
London is the capital of the UK. The seat of government (Parliament) is at the Palace of Westminster, and government buildings are located along Whitehall Street in Westminster. The Prime Minister's residence is at 10 Downing Street, near its intersection with Whitehall.
In the Tower of London there are ruins of Roman London so they are some of the oldest buildings/ruins in the city. The Tower itself has parts that are very old. Through out the city of London there are other bits and parts of Roman London.
Yes
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Parliament Buildings, London
The buildings in London depend very much on the area, some buildings are old fashioned (like the area near South Kensington), whereas near the docklands of London (near Canary Wharf), the buildings are much more modern.