Majengo is a slum in the Pumwani area of Nairobi.
It is approximately 3 km from Nairobi central business district, and next to Gikomba Market.
Majengo forms part of Pumwani ward; which is in the larger Kamukunji sub-county of Nairobi City County.
Majengo also hosts the headquarters for Kamukunji Constituency.
[3] The area is infamous for rife crime, prostitution as well as domestic violence.