London

1 city and port on both sides of the Thames River in southeastern England; capital of the United Kingdom formerly constituting an administrative county; comprises the City of London or informally The City (approximately coextensive with ancient Londiniumplay \län-ˈdi-nē-əm, ˌlən-\ ; population 7400) and 32 other boroughs, which together are referred to as the metropolitan county of Greater London (area 632 square miles, or 1637 square kilometers, population 8,174,000)

2 city on the Thames River in southeastern Ontario, Canada population 366,151