Onitsha South Local Government Area is located in Anambra State, with its administrative headquarters in Fegge, Onitsha. It is part of the Anambra North senatorial zone. The LGA covers an area of approximately 10.66 km². According to the 2006 census, its population was 137,191, with a projected increase to about 195,500 by 2022.The economy of Onitsha South LGA is predominantly commercial, driven by trade and manufacturing. The area hosts several markets, including the Ochanja market which is a notable center for commerce and distribution in the region. Industrial activities and small-scale enterprises also contribute to the local economy.
Onitsha South is culturally vibrant, sharing in the rich heritage of Onitsha city. Key cultural events such as the Ofala Festival, which celebrates the traditional leadership of the Obi of Onitsha, are observed here. The postal code for Onitsha South LGA is 430, and its approximate geographic coordinates are Latitude 6.1383° N and Longitude6.7727° E.