Madrid: Palacio Gaviria

Hi everybody! I'm trying to help a french guy who is in Madrid right now find out where Palacio Gaviria is!
The Palacio Gaviria is a dance club,known for its high foreign clientele, and just as many spanish wanting to meet people for language exchange and who knows what else!

He wants to meet someone to practice spanish with... Just meet him in the chat room so I can't say much about him... but can anyone help?

Palacio Gaviria is located on Calle del Arenal, 9. One can "SEE" the address in photos (and map) HERE on the QDQ.com site. It's just 1-block west of Puerta del Sol.

Saludos, MadridMan

Thanks MM!