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The flag of Sudan has three horizontal stripes of red, white, and black with a green triangle on the left side.

Sudan

السودان

Population: 43,849,269

Region: Africa

Subregion: Northern Africa

Capital: Khartoum

Top Level Domain: .sd

Currencies: Sudanese pound

Border countries

The flag of the Central African Republic has four horizontal stripes of blue, white, green, and yellow with a red vertical stripe in the center and a yellow five-pointed star in the upper hoist-side corner.

Central African Republic

Population: 4,829,764

Region: Africa

Capital: Bangui
The flag of Chad has three vertical stripes of blue, yellow, and red.

Chad

Population: 16,425,859

Region: Africa

Capital: N'Djamena
The flag of Egypt has three horizontal stripes of red, white, and black with the national emblem in the center.

Egypt

Population: 102,334,403

Region: Africa

Capital: Cairo
The flag of Eritrea has three horizontal stripes of green, blue, and red with a gold olive branch in the center.

Eritrea

Population: 5,352,000

Region: Africa

Capital: Asmara
The flag of Ethiopia has three horizontal stripes of green, yellow, and red with a blue circle and a yellow star in the center.

Ethiopia

Population: 114,963,583

Region: Africa

Capital: Addis Ababa
The flag of Libya has a horizontal triband of red, black, and green with a white crescent and star centered on the black stripe.

Libya

Population: 6,871,287

Region: Africa

Capital: Tripoli
The flag of South Sudan has three horizontal stripes of black, white, red, and green with a blue triangle on the left side containing a yellow star.

South Sudan

Population: 11,193,729

Region: Africa

Capital: Juba