What is "hakkasan"

Hakkasan is the name given to ten restaurants operated by Hakkasan Group, with the brand initially debuting as an upscale, modern Chinese restaurant in the West End of London, England, at Hanway Place. It has since opened branches in Miami, Mumbai, New York City, San Francisco, Las Vegas, Abu Dhabi, Beverly Hills, Shanghai, Dubai, and Doha. In 2013 the chain opened its first nightclub, in a Las Vegas building that has included performers such as Calvin Harris, Nervo and Tiësto.