Licensed accommodation falls into the following categories, according to the legislation in force:

Hotels (including Ordinary Hotels, Hotel Apartments, Motels and Hotels in buildings of traditional architecture),
Camping sites,
Rooms and apartments to let,
Self catering accommodation (villas) ,
Youth hostels and
Nudism centres.

Accommodation in Greece is classified as follows:

Hotels (depending on their type and technical specifications) can be class L (de luxe), A, B, C, D and E.

Camping sites can be class A, B, C and D

Rooms and Apartments to let can be class A, B and C.

Self catering accommodation (villas) correspond to class A

Nudism Centres are entitled to the class of the hotel or camping site they operate in.