The history of the Illawarra region in New South Wales is deeply rooted in its transition from a rich Indigenous landscape into one of Australia's most vital agricultural and industrial heartlands. The phrase "The History of Illawarra and its Pioneers" is also famously known as the title of a landmark 1922 historical book written by Frank McCaffrey, which meticulously documented how early European settlers shaped the region, specifically through the birth of the Australian dairy industry.