Umuaji is a ward in Oshimili South Local Government Area of Delta State, Nigeria
POLLING UNITS IN Umuaji
- Abu-ato Primary School - Umuezei/umudaeze
- Abu-ato Primary School - Atufa/afeke I
- Abu-ato Primary School - Atufa/afeke Ii
- Abu-ato Primary School - Atufa/afeke Iii
- Abu-ato Primary School - Umuekwo
- St. Brigid's G.g. School - Umuekwo I
- St. Brigid's G.g. School - Umuekwo Ii
- St. Brigid's G.g. School - Umuekwo Iii
- St. Brigid's G.g. School - Umuda/uda Layout
- St. Brigid's G.g. School - Agueze
- Oduke Nursery School - Oduke Camp
