North London is situated north of the City of London , with South London (whose development started with the ancient borough of Southwark at the southern end of London Bridge) occupies all of London south of the River Thames. Here’s what you need to know about England's capital city—when to go, where to stay, what to do, and how to get around. Airports: Heathrow, which operates an express train to Paddington Station and... Royalty-spotting and museum trips are top to-do’s in London —from iconic landmarks like Kensington Palace and Tower Bridge to the world-renowned British Museum. Planning a trip to London ? Explore the official tourism guide to London & discover the best things to do, attractions, events and why we love London.