Many nationalities are now issued with a free of charge tourist visa to UAE (valid for 30 days) in Abu Dhabi and Dubai International Airports upon arrival, including:
Andorra
Bulgaria
Denmark
Greece
Italy
Luxembourg
New Zealand
San Marino
Spain
Vatican City
Australia
Canada
Estonia
Hong Kong
Japan
Malaysia
Norway
Singapore
Sweden
Austria
Croatia
Finland
Hungary
Latvia
Malta
Poland
Slovakia
Switzerland
Belgium
Cyprus
France
Iceland
Liechtenstein
Monaco
Portugal
Slovenia
United Kingdom
Brunei
Czech Republic
Germany
Ireland
Lithuania
Netherlands
Romania
South Korea
United States of America
GCC residents will also get their free of charge visas upon arrival, but only if they occupy high level professions (e.g. Managers, Doctors, Engineers etc.).