Home prices continued to slide significantly in cities outside Athens Greece,  as Thessaloniki saw an estimated drop of between 7 and 18 percent last year on a yearly basis, according to the conclusions of the annual conference of the Hellenic Valuation Institute (ELIE) conducted in the northern port city last Saturday reports Kathimerini. In Larissa the drop came to 25 percent, in Trikala from 9 to 15 percent, in Karditsa from 9 to 18 percent, while Volos has witnessed the greatest drop, from 12 to 33 percent.