Where in the world?
The flag of Laos is composed of three horizontal bands of red, blue and red. The blue band is twice the height of the red bands and bears a white circle at its center.

Laos

Native Name: ສາທາລະນະ ຊາທິປະໄຕ ຄົນລາວ ຂອງ
Population: 7,275,556
Region: Asia
Sub Region: South-Eastern Asia
Capital: Vientiane
Top Level Domain: .la
Currencies: Lao kip
Languages: Lao
Border Countries: MMRKHMCHNTHAVNM