| 1 | A branch of the Niger-Congo language family, spoken in the upper Niger River valley. | |
| 2 | Africa's fastest growing city is located on the banks of the Niger River floodplains. | |
| 3 | A city of eastern Guinea on a tributary of the Niger River. It is the commercial center of a farming area. Population, 229,000. | |
| 4 | The capital and largest city of Niger, in the southwest part of the country on the Niger River. It is an important commercial center. Population, 399, 100. | |
| 5 | The capital and largest city of Niger, in the southwest part of the country on the Niger River. |