Where in the world?
The flag of Qatar has a maroon field, on the hoist side of which is a white vertical band that spans about one-third the width of the field and is separated from the rest of the field by nine adjoining fly-side pointing white isosceles triangles that serve as a serrated line.

State of Qatar

Native name: QatarPopulation: 2,881,060Region: AsiaSub region: Western AsiaCapital: DohaTop level domain: .qa, قطر.Currencies: Qatari riyalLanguages: Arabic
Border Countries:Saudi Arabia