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

Slovakia

Slovensko

Population: 5,458,827

Region: Europe

Subregion: Central Europe

Capital: Bratislava

Top Level Domain: .sk

Currencies: Euro

Border countries

The flag of Austria has three horizontal bands of red, white, and red.

Austria

Population: 8,917,205

Region: Europe

Capital: Vienna
The flag of the Czech Republic has two equal horizontal bands of white and red with a blue isosceles triangle based on the hoist side.

Czech Republic

Population: 10,698,896

Region: Europe

Capital: Prague
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 Poland has two horizontal stripes of equal width, white on the top and red on the bottom.

Poland

Population: 37,950,802

Region: Europe

Capital: Warsaw
The flag of Ukraine has two horizontal bands of blue and yellow.

Ukraine

Population: 44,134,693

Region: Europe

Capital: Kyiv