Mwanza Region is one of the regions of Tanzania. Its capital is Mwanza, which is also Tanzania's second most populous city.
The neighbouring regions are Kagera and Geita to the west, Shinyanga to the south, and Mara to the east. Furthermore, Lake Victoria borders the region's north frontier.
Mhe. Richard Wambura was the Regional Commissioner from 1961 to 1962. From 2003 to the end of 2005 the regional commissioner was Daniel Ole Njoolay. Following Njoolay, the acting regional commissioner of the Mwanza Region was its police chief, Liberatus Barlow. Njoolay was succeeded by Dr. James Alex Msekela, 2006 to 2009
