House Price Change 5 Years (Inflation-Adjusted) in Greece compared to Europe

Latvia -20.03%
Italy -11.75%
Finland -8.61%
Sweden -3.63%
Spain -2.36%
Belgium 0.72%
Norway 1.10%
Switzerland 1.49%
Malta 2.70%
Romania 2.76%
Hungary 2.87%
Austria 3.78%
France 4.03%
Cyprus 4.14%
Poland 7.11%
Denmark 7.16%
Ireland 9.94%
Germany 11.31%
Bulgaria 11.54%
Czech Rep. 14.21%
Lithuania 17.89%
Luxembourg 19.05%
Netherlands 19.53%
Slovak Rep. 19.89%
Estonia 22.25%
Slovenia 23.79%
Iceland 24.47%
Montenegro 27.31%
Croatia 28.04%
North Macedonia 48.15%
Greece 49.94%
Portugal 55.55%
Turkey 133.30%

Greece has an index of prices of new and existing dwellings both in Athens and in urban areas outside Athens, generated by the Bank of Greece. There seems to be no private house price data provider. The National Statistical Service of Greece also has economic data.