The seat of the Vooruit cooperative (now Bond Moyson) is an Art Noveau masterpiece that should not be missed by architecture connoisseurs.
Wikipedia http://nl.wikipedia.org/wiki/Vrijdagmarkt_(Gent)#De_Bond_Moyson_en_Ons_Huis
Address Vrijdagmarkt, 9000 Gent Belgium
Coordinates 51°3'25.82" N 3°43'34.696" E