Utilize the input text as a context reference, choose the right relationship between Standard Chartered and London from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Leung | Getty Images Canary Wharf, London The banks named in the Cade probe are Bank of America Merrill Lynch , Bank of Tokyo-Mitsubishi UFJ , Barclays , Citigroup , Credit Suisse Group , Deutsche Bank , HSBC , JPMorgan Chase & Co , Morgan Stanley & Co , Nomura Holdings , Royal Bank of Canada , Royal Bank of Scotland Group , Standard Bank Group , Standard Chartered and UBS .

Answer: headquarters_location