Where in the world?
The flag of the Islamic Emirate of Afghanistan has a white field with Arabic inscriptions — the Shahada — in black across its center.

Islamic Republic of Afghanistan

Native name: AfghanistanPopulation: 40,218,234Region: AsiaSub region: Southern AsiaCapital: KabulTop level domain: .afCurrencies: Afghan afghaniLanguages: Dari, Pashto, Turkmen
Border Countries:IranPakistanTurkmenistanUzbekistanTajikistanChina