Manessis Tour Operator was established in 1988 offering complete range of services with respect to fulfill the needs of the m ... odern traveler. Today is one of the leading travel organizations in Greece, having strong collaborations with the greatest airlines and sea carriers and the major hotel groups in Greece and abroad. Manessis in brief… - 50 special trained staff members - 700 sq m of headquarters in the heart of Athens - 2nd position in the Greek Market - Complete range of travel services - First TTG Prize for the excellence of services read more