Joadja is a historic town, now in ruins, in the Southern Highlands of New South Wales, Australia, in Wingecarribee Shire. The remnants of the town were added to the New South Wales State Heritage Regi

The Wingecarribee River, a perennial river that is part of the Hawkesbury–Nepean catchment, is located in the Southern Highlands region of New South Wales, Australia.