Where in the world?
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

Subregion: Central America

Capital: Guatemala City

Top Level Domain: .gt

Currencies: Guatemalan quetzal

Border countries

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

Capital: Belmopan
The flag of El Salvador has three horizontal stripes of blue, white, and blue with the national coat of arms in the center.

El Salvador

Population: 6,486,201

Region: Americas

Capital: San Salvador
The flag of Honduras has three horizontal stripes of blue, white, and blue, with five blue stars arranged in an X pattern in the center of the white stripe.

Honduras

Population: 9,904,608

Region: Americas

Capital: Tegucigalpa
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