1The capital of the United Kingdom, situated in southeastern England on the River Thames; population (Greater London) 7,619,800 (est. 2008).
London was settled as a river port and trading center, called Londinium, shortly after the Roman invasion of AD 43, and, since the Middle Ages, has been a flourishing center. It is divided administratively into the City of London, which is the country's financial center, and thirty-two boroughs
2An industrial city in southwestern Ontario, Canada, situated to the north of Lake Erie; population 353,395 (2006).