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

Ukraine

Україна

Population: 44,134,693

Region: Europe

Subregion: Eastern Europe

Capital: Kyiv

Top Level Domain: .ua

Currencies: Ukrainian hryvnia

Border countries

The flag of Belarus has a red field with a green horizontal stripe at the bottom and a white and red ornamental pattern on the hoist side.

Belarus

Population: 9,398,861

Region: Europe

Capital: Minsk
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 Moldova has three vertical stripes of blue, yellow, and red, with the national coat of arms centered in the yellow stripe.

Moldova (Republic of)

Population: 2,617,820

Region: Europe

Capital: Chișinău
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 Romania has three vertical stripes of blue, yellow, and red.

Romania

Population: 19,286,123

Region: Europe

Capital: Bucharest
The flag of Russia has three horizontal stripes of white, blue, and red.

Russian Federation

Population: 144,104,080

Region: Europe

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

Slovakia

Population: 5,458,827

Region: Europe

Capital: Bratislava