No information was available on introduced range of this species. These sightings may indicate improper documentation, remaining populations from what was once a larger range, or new populations, indicating a growing range. Though they are not common in western Africa, there have been individual sightings. They can be found as far north as Eritrea, through South Africa, and as far west as Namibia. Black mambas are common in sub-Saharan areas of south and east Africa.
