Where in the world?
The flag of Belize has a blue field with a red border and a white disc in the center featuring the national coat of arms.

Belize

Population: 397,621

Region: Americas

Subregion: Central America

Capital: Belmopan

Top Level Domain: .bz

Currencies: Belize dollar

Border countries

The flag of Guatemala has three vertical stripes of blue, white, and blue, with the national emblem in the center of the white stripe.

Guatemala

Population: 16,858,333

Region: Americas

Capital: Guatemala City
The flag of Mexico has three vertical stripes of green, white, and red, with the national coat of arms centered in the white stripe.

Mexico

Population: 128,932,753

Region: Americas

Capital: Mexico City