A visa is required to enter the UAE except for Nationals (Citizens) from the following countries that will be issued entry permits upon arrival at the airport in the UAE.

GCC Countries: Bahrain, Kuwait, Qatar, Oman, Saudi Arabia
Europe: Andorra, Austria, Belgium, Denmark, Finland, France, Germany, Greece, Holland, Iceland, Ireland, Italy, Liechtenstein, Luxembourg, Monaco, Norway, Portugal, San Marino, Spain, Sweden, Switzerland, United Kingdom, Vatican City
Americas: United States of America, Canada
Oceanic/Pacific: Australia, New Zealand
Asia: Japan, Brunei, Singapore, Malaysia, Hong Kong, South Korea

Nationals other than those of the above lists require an entry visa which will need to be arranged prior to arrival. If you require a visa prior to your arrival, there are three options available:
Expatriate residents from the gulf states (Kuwait, Qatar, Oman, Bahrain & Saudi Arabia) who are on the resident visa category of businessmen, company managers or representatives, auditors, accountants, doctors, engineers or employees working in the public sector can obtain a non-renewable 30-day visa upon arrival in UAE.

UAE Consulate in your Country: We can issue a visa invitation letter should you wish to apply through the UAE consulate in your country. 
Hotel: Request your hotel to arrange your visa. Not all hotels offer this option, please check prior to booking.
Airline: if you travel by Emirates Airline, they will be able to assist with your visa.