Where in the world?
The flag of Botswana has a light blue field with a white-edged black horizontal band across its center.

Republic of Botswana

Native name: BotswanaPopulation: 2,351,625Region: AfricaSub region: Southern AfricaCapital: GaboroneTop level domain: .bwCurrencies: Botswana pulaLanguages: English, Tswana
Border Countries:NamibiaSouth AfricaZambiaZimbabwe