The flag of Tanzania was adopted in 1964. It derives from the flags of Tanganyika and Zanzibar.
The flag is divided diagonally by a yellow-edged black band from the lower hoist-side corner. The upper triangle (hoist side) is green and the lower triangle is blue.
- The green colour in the flag represents the natural vegetation present in the country
- The yellow colour represents rich mineral deposits of the country
- The Black colour represents the skin color of Tanzanians
- The blue colour represents the numerous lakes and rivers and the Indian ocean