This 30,000+ square foot mega-mansion is located at Karystou, 145 62 Kifisia, Greece. Kifisia is an expensive northern suburb of Athens. The massive estate boasts 7 bedrooms,9 bathrooms, an elevator, an olympic size swimming pool, and a huge underground garage. The owner is a very opulent Greek shipping magnate who is an avid car collector. Once completed, it will be the largest family residence in Athens. What do you guys think?

Thanks to Homes of the Rich reader Nikos (he lives in Greece) for the tip!