Where in the world?
The flag of Lesotho has a blue, white, and green horizontal tricolor with a black Basotho hat in the center.

Lesotho

Population: 2,142,252

Region: Africa

Subregion: Southern Africa

Capital: Maseru

Top Level Domain: .ls

Currencies: Lesotho loti

Border countries

The flag of South Africa has a horizontal bicolor of red and blue with a green Y-shaped band edged in white and a black triangle on the left side.

South Africa

Population: 59,308,690

Region: Africa

Capital: Pretoria