What is the return on investment of Greek immigrants buying a house?

The return on investment of European real estate mainly has two parts, one is the future value-added part of real estate when buying a house, which depends on many external reasons, such as the location when buying a real estate, the reason for the price increase when buying a real estate, and the old and new degree of the real estate. This part is the most likely real estate appreciation in Greece at present, because the average Greek real estate has fallen by nearly 50% after the economic crisis, so the expected upside is still good. The second part is the annual rental rate of real estate. Greece is a tourist country, and the rental rate of real estate is still relatively high (choose a better area to buy real estate), and the general rate of return is between 3-5%/ year.