Proper noun
A street in Mayfair, borough of Westminster, London, United Kingdom, known for its bespoke tailoring for men.
(metonymically, fashion) The tailoring companies located on Savile Row and neighbouring streets.
a Savile Row suit
In the process of doing that, Tommy becomes a quite well-known tailor on Savile Row, and then a very famous tailor on Savile Row, which is the center of Bespoke. Source: Internet