As the name says, London City Airport is located within the city limits of London. From the airport, take the Docklands Light Railway (DLR) and change at Canning Town. Take the Underground on the westbound Jubilee line towards Waterloo. Alight here and exit the station via the South Bank. Walking up York Road towards the London Eye, take the second left turn onto Addington Street. Park Plaza County Hall will be on your left.