Calderwood Valley is a part of Illawarra Region in the state of New South Wales. The suburb is governed by the local government area of the Shellharbour City Council. The postcode of Calderwood is 2527. The surrounding cities and suburbs are Marshall Mount, Avondale, North Macquarie and Albion Park. Calderwood Valley is adjacent to Dapto and Albion Park, the two major centres in the region of Illawarra.
In 2005, the State Environmental Planning Policy 2005, (Major Development) gazetted the Calderwood as a major urban development site. In 2011, the Shellharbour City Council and the State Government declared Calderwood Valley to be a state significant site.