Airports of London cannot be expanded due to the docks on either side. It is also the only airport serving London which does not operate at night. A light rail service from London City Airport DLR station, which adjoins the terminal building of London City Airport, links it to the financial district of the City of London at Bank and Monument stations, which offer interchanges with London Underground. Located in the London Borough of Hillingdon, Heathrow is by far the largest of London's airports and considered the main gateway into the United Kingdom for non-European visitors. Heathrow has four terminals and two parallel
City of London (elections to the Parliament of England) Protectorate Parliaments, before reverting to four for the Third Protectorate Parliament. "Key to parties: T Tory; W Whig." "Dates of general and by-elections from 1660 (excluding some general elections at which no new MP was returned)." City of London (elections to the Parliament of England) The City of London was a Parliamentary constituency of the Parliament of England until 1707. This borough constituency consisted of the City of London, which was the historic core of the modern Greater London. In the twenty-first century, the City forms part of the London Region of England. The southern boundary of the City is