Where in the world?
The flag of Andorra has three vertical bands of blue, yellow, and red, with the national coat of arms centered in the yellow band.

Andorra

Population: 77,265

Region: Europe

Subregion: Southern Europe

Capital: Andorra la Vella

Top Level Domain: .ad

Currencies: Euro

Border countries

The flag of France has three vertical stripes of blue, white, and red.

France

Population: 67,391,582

Region: Europe

Capital: Paris
The flag of Spain has three horizontal stripes of red, yellow, and red with the national coat of arms on the yellow stripe.

Spain

Population: 47,351,567

Region: Europe

Capital: Madrid