LHR is the IATA airport code for London Heathrow Airport , the largest and busiest airport in the United Kingdom and one of the busiest in the world. It is located about 14 miles (23 km) west of Central London, in the London Borough of Hillingdon

. Key facts about Heathrow Airport (LHR):

• It is the primary international airport serving London and the UK.
• Heathrow has four passenger terminals (numbered 2 to 5) and one cargo terminal

• It is the main hub for British Airways and Virgin Atlantic

• The airport serves over 80 airlines flying to more than 200 destinations worldwide

• Heathrow is the busiest airport in Europe and among the top globally by passenger traffic

• The airport has two parallel east-west runways and extensive facilities for passengers

In summary, LHR refers to London Heathrow Airport, the UK’s largest airport and a major global aviation hub located west of London.