Wollondilly Shire is located at the south-western fringe of the Sydney metropolitan area, about 75 kilometres from the Sydney CBD. The Shire encompasses a land area of nearly 2,600 square kilometres, of which about 90% is national park, bushland, water catchment or rural land, including gorges, ranges and plains. Wollondilly Shire is predominantly a national park and rural area, with urban areas in fifteen towns and villages. Two-thirds of the population live in the urban centres, and one-third in the rural areas. There are five large towns, the largest of which is Tahmoor. Picton is the administrative centre of the Shire. Most of the rural land is used for agricultural purposes, including market gardens, orchards, dairy farms, poultry farms and grazing. Coal mining is also a major industry.

NOTE: The land use shown in the map is derived from ABS Mesh Block categories. Mesh Blocks broadly identify land use and are not designed to provide definitive land use. It is purely an indicator of the main planned land use for a Mesh Blocks. For more information please refer to ABS Mesh Block categories.