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The flag of Croatia has three horizontal stripes of red, white, and blue with the national coat of arms in the center.

Croatia

Hrvatska

Population: 4,047,200

Region: Europe

Subregion: Southern Europe

Capital: Zagreb

Top Level Domain: .hr

Currencies: Euro

Border countries

The flag of Bosnia and Herzegovina has a blue field with a yellow triangle and white stars along the hypotenuse.

Bosnia and Herzegovina

Population: 3,280,815

Region: Europe

Capital: Sarajevo
The flag of Hungary has three horizontal stripes of red, white, and green.

Hungary

Population: 9,749,763

Region: Europe

Capital: Budapest
The flag of Montenegro has a red field with a gold border and the national coat of arms centered in the field.

Montenegro

Population: 621,718

Region: Europe

Capital: Podgorica
The flag of Serbia has a red, blue, and white horizontal tricolor with a coat of arms on the left side.

Serbia

Population: 6,908,224

Region: Europe

Capital: Belgrade
The flag of Slovenia has three horizontal stripes of white, blue, and red with a coat of arms on the left side.

Slovenia

Population: 2,100,126

Region: Europe

Capital: Ljubljana