Where in the world?
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

Subregion: Central America

Capital: San Salvador

Top Level Domain: .sv

Currencies: United States 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 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