John Constantine Carras was a Greek shipping magnate

Magnate

Magnate, from the Late Latin magnas, a great man, itself from Latin magnus 'great', designates a noble or other man in a high social position, by birth, wealth or other qualities...

, grandson of captain and sailing-ship owner Ioannis I. Carras (1852–1927) from Kardamyla of Chios

Chios

Chios is the fifth largest of the Greek islands, situated in the Aegean Sea, seven kilometres off the Asia Minor coast. The island is separated from Turkey by the Chios Strait. The island is noted for its strong merchant shipping community, its unique mastic gum and its medieval villages...

. In the late 1960s the fleet of the J. C. Carras group of companies attained its zenith, with 34 ships of an overall capacity some 640,000 dwt. During that time he was also involved in the real estate and tourist business and bought an extended area in Sithonia

Sithonia

Sithonia is a peninsula located south of the central part of Chalkidiki which is also in the south-central part of the Chalkidiki peninsula. The Kassandra Peninsula lies to the west and the Mount Athos peninsula at the east. Sithonia is also a municipality, covering the Sithonia peninsula...

, Chalkidiki peninsula in northern Greece

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 and in 1973 he started constructing a tourist resort, known as Porto Carras

Porto Carras

Porto Carras , known as Porto Carras Grand Resort, is one of northern Greece's largest and most famous hotels and holiday resorts. It is located on Sithonia, Halkidiki peninsula in northern Greece. It is about 120 km away from Greece's second biggest city, Thessaloniki.Porto Carras was created...

, which became one of the most famous holiday resorts in Greece. Yiannis Carras died in 1989.