Joadja is an Historic Town (ruin) on the New South
Wales Heritage Register in the Southern Highlands
of New South Wales, Australia, in Wingecarribee
Shire.
Joadja is located 135 km south-west of Sydney via
the M5 and Hume Motorway. Joadja is 22 km west
of Mittagong via the road to Wombeyan Caves.