Dubai - UAE

Dubai is one of the key cities of United Arab Emirates (UAE). The United Arab Emirates is a federation of seven emirates on the eastern side of the Arabian peninsula, at the entrance to the Persian Gulf.

The seven emirates that make up the UAE are :

Abu Dhabi (Abu Zaby)
Ajman
Fujairah (Al Fujayrah)
Sharjah (Ash Shariqah)
Dubai (Dubayy)
Ra's al Khaymah
Umm al Quwain

The largest of the emirates is Abu Dhabi, while probably the most well known is Dubai. Dubai is a gateway to the Middle Eastern - a blend between Middle East and Western way of lifestyle. One would find it relatively easier to start exploring the Middle East from Dubai and Abu Dhabi.

Explore UAE at Wikipedia and WikiTravel.
Similarly more on Dubai at Wikipedia and WikiTravel.
Just to complete the picture Abu Dhabi at WikiPedia and WikiTravel.
Also refer VirtualTourist, TripAdvisor and Lonely Planet.