<P> The East End of London, also known simply as the East End, is an area of Central, East London and London Docklands, England; east of the Roman and medieval walls of the City of London, and north of the River Thames . The East End is the historic core of wider East London but is not defined by any universally accepted boundaries, though the various channels of the River Lea are often considered to be the eastern boundary . </P> <P> The East End's emergence began in the Middle Ages with initially slow urban growth outside the eastern walls, which subsequently accelerated, especially in the 19th century, to absorb pre-existing settlements . </P>

What part of london is the east end