The greatest volcanic regions of Africa are found in?

The greatest volcanic regions of Africa are found in Kenya and Tanzania. The region is known as the East African Rift Valley and is home to some of the world's most famous and active volcanoes, including Mount Kilimanjaro, Mount Kenya, and Ol Doinyo Lengai. The region is characterized by volcanic cones, craters, and calderas, which are evidence of past and ongoing volcanic activity. The Rift Valley is also home to a number of hot springs and geysers, which are popular tourist attractions. The volcanic activity in the region has created a unique and diverse landscape, which is home to a wide variety of plants and animals.