What is "tsum"

TsUM — Central Universal Department Store is one of the most renowned high end department stores in Moscow.

The store is in a six-story historical Gothic Revival style building on Petrovka Street at Theatre Square (Teatralnaya Square) in the Tverskoy District of central Moscow. The TsUM interiors have been refurbished many times, most recently in 2007. TsUM is a part of the Mercury Group.