In terms of legal restrictions the main limitation is that foreigners are not allowed to purchase real estate in Italy, to the extent that Italian citizens are not able to do the same in the other country.  The Italian foreign ministry has published a list where the “condition of reciprocity” is not satisfied.    EU/EEA citizens, non EU holders of work permits can purchase without restrictions.  Others should discuss the issue with their notary BEFORE making an offer to purchase (or make the offer subject to the satisfaction of the condition of reciprocity after taking legal advice.