Parramatta Nepean Presbytery works to strengthen 49 congregations in their mission and community engagement in one of the most geographically and demographically diverse areas of Australia.
Encompassing rural areas through to Sydney's second CBD in Parramatta from Sydney Olympic Park in the east to Mount Victoria in the west, from Wiseman's Ferry in the north to Tahmoor in the south.

In the Uniting Church in Australia, a Presbytery is a collective body of Congregations empowered to resource congregations to be healthy and missional, develop and support both lay and ordained leaders and support new initiatives, such as church-planting and Fresh Expressions of church.