According to Athens News, an English speaking Greek newspaper, Larissa, in the circled area above is home to the greatest concentration of Porsche Cayenne owners in Europe (From the FT). The full report by Nikolaos Artavanis, Virginia Polytechnic Institute and State University: Adair Morse, University of Chicago Booth School of Business, NBER; Margarita Tsoutsoura, University of Chicago Booth School of Business is below.