Search millions of apartments and houses with HotPads. Would you accept a proposal from a buyer whose personal property will not be available on the market? Practically 50 million vacationers a year go to Italy, drawn by the whole lot from its architectural gems, tradition and landscapes to the stylish boutiques of Milan and Amalfi — and the chance to shop around for real estate in Italy.

In addition to a dizzying variety of properties up for grabs, it plots listings on a Google map for ease. Knight Frank’s nationwide country department has an unrivalled knowledge of the nation house, …