Travel editor Isabel Choat of British newspaper The Guardian presents the 10 most affordable holiday destinations in Europe for the summer of 2015, with “Areti Camping & Bungalows” in Chalkidiki, Greece, ranking second in her list. 1. Fattoria Santa Vittoria Farmhouse and Winery, Italy In the rolling hills of the unspoiled Val di Chiana, between the blissful cities of Sienna, Arezzo