Which retail store holds the Guinness World Record for being the largest department store in the world by floor area?

The world of retail has seen some remarkable achievements that have made their way into the record books. From massive stores to long-running brands, retail history is filled with fascinating world records. Test your knowledge about these extraordinary retail accomplishments that have earned their place in history!

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Macy's Herald Square (New York City, USA)
Shinsegae Centum City (Busan, South Korea)
Harrods (London, UK)
GUM Department Store (Moscow, Russia)