Broken Hill, a silver-mining town of Yancowinna county, New South Wales, Australia, 925 m. directly W. by N. of Sydney, and connected with Adelaide by rail. Pop. (1901) 27,518. One of the neighbouring mines, the Proprietary, is the richest in the world; gold is associated with the silver; large quantities of lead, good copper lodes, zinc and tin are also found. The problem of the profitable treatment of the sulphide ores has been practically solved here. In addition Broken Hill is the centre of one of the largest pastoral districts in Australia. The town is the seat of the Roman Catholic bishop of Wilcannia.