The generally accepted definition of 'Hotels' as quoted in the AAA "New York TourBook" is:
"Usually establishments, offering a full range of on-premises food and beverage service, cocktail lounge, entertainment, conference facilities, shops and recreational activies. Wide range of services provided by uniformed staff on duty 24 hours. Parking arrangements vary."
Not all of these need be present for Greek travellers' lodgings to be classified as an hotel. The simplest of hotels may not even have night porter facilities (although this is rare).