The official classification of hotels is being used only for the approx. 500 hotels that are members of the Danish hotel industry's central organisation of Hotels, HORESTA and that have more than 40 beds. The hotels are classified with 1,2,3,4 or 5 stars on the basis of objective criteria, the most important of which are listed below. The blue-red sign on the front of the hotel show the present number of stars awarded (in yellow). Satisfactory cleaning and maintenance are basic requirements for all fice categories. A hotel without a restaurant that is classified 1-3 stars is referred to as a 'Hotel Garni'.

*
All rooms have a hand-basin with hot and cold running water, with heating. There is at least one bathroom and toilet per 10 rooms for communal use, as well as a telephone. Breakfast is available. Guests are able to enter and leave the hotel around the clock.

**
In addition to the above, the hotel offers the following: Telephone box, or suitable sound-proofing for a communal telephone. Bar, or other amenity for the purchase of refreshments as well as separate room for serving breakfast - and possibly other meals. At leat 30% of the rooms have private bath/toilet.

***
In addition to the above, the hotel offers the following: All rooms have their own bath and toilet, as well as telephone, TV, radio and writing desk. Reception is staffed during day hours and it is possible to purchase tobacco, toilet articles, etc. Credit cards are accepted. Lift if the hotel has more than two floors.
A PC with access to the net is available to the guests. Hotels of some size offer no-smoking rooms.

****
In addition to the above, the hotel offers the following: at least one comfortable chair per bed. Also,TV with remote control, international channels and film or video service. At least 25% of the rooms have access to the internet. Round-the-clock reception, a la carte restaurant, bar and room-service breakfast. Mini-bar in all rooms, or round-the-clock room service with refreshments. Laundry and dry cleaning facilities.

*****
In addition to the above, the hotel offers the following: Luxuriously appointed. Rooms with safe-box and air-conditioning, with suites available. All rooms have access to the internet. Bedcover removal in the evening. Round-the-clock room service with refreshments, with meals being served untill 11 pm. Secretarial services. Lift if there is more than one floor. indoor swimming pool, or professionally staffed fitness centre. Porter service and sale of gifts.