West End of London the Square Mile, is the main business and financial district in London, the West End is the main commercial and entertainment centre of the city. It is the largest central business district in the United Kingdom, comparable to Midtown Manhattan in New York City, Causeway Bay in Hong Kong, Shibuya in Tokyo, or the 8th arrondissement in Paris. It is one of the most expensive locations in the world in which to rent office space. Medieval London comprised two adjacent cities - the City of London (cathedral: St. Paul's) to the east, and the City of Westminster (cathedral: Westminster Abbey)
Financial District, San Francisco new high rise construction since the 1980s (and for the foreseeable future) has taken place South of Market. Notable examples include the JPMorgan Chase Building, 555 Mission Street, 101 Second Street, the Four Seasons Hotel, The Paramount, and the Millennium Tower. According to TRI Commercial, the traditional Financial District provides approximately of office space, and the South Financial District offers about . Altogether, the combined Financial District employs over 220,000 office workers. Adjacent to the Financial District to the west is the Union Square shopping district. To the northwest is Chinatown, and to the north is North Beach and Jackson