The visa and permit system works according to rules and regulations set by Federal Authority for Identity and Citizenship-ICA and its affiliated Directorates of Residency and Foreigners Affairs in each emirate. Before you apply for a visa or an entry permit, you have to check if you are qualified for a visa-free entry or to receive visa on arrival or you need eVisa prior to travel or an entry permit pre-arranged by a sponsor based in the UAE.
Citizens from Australia, Andorra, Austria, Brunei, Belgium, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, Ireland, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malaysia, Malta, Monaco, The Netherlands, New Zealand, Norway, Poland, Portugal, Romania, San Marino, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, United Kingdom, United States of America and the Vatican State can get a free-of-charge entry visa upon arrival at Abu Dhabi International Airport.
But the nationals of every other nation should apply for a Tourist, Transit or Visit Visa prior to their trip. In the event that you are flying with Etihad Airways, a visit visa may be arranged for you upon request. On the off chance that you have booked your trip through a travel agency, in most cases they will be able to arrange this for you.