Where in the world?
The flag of United Arab Emirates features a red vertical band on its hoist side that takes up about one-fourth the width of the field and three equal horizontal bands of green, white and black adjoining the vertical band.

United Arab Emirates

Native Name: دولة الإمارات العربية المتحدة

Population: 9,890,400

Region: Asia

Sub Region: Western Asia

Capital: Abu Dhabi

Currencies: United Arab Emirates dirham

Top Level Domain: .ae

Languages: Arabic

Border Countries: Saudi ArabiaOman