The Halkidiki peninsula is once again at the top of the “Blue Flags” list for 2017 in Greece, as 71 of its beaches were awarded in recognition of their cleanness, water quality, organization, safety and services, environmental management and protection. Ouranoupoli, Porto Carras, Armenistis, Marmaras, Kriopigi, Fourka, Nea Moudania and Sani are just some of the …