Yancowinna County is a rural locality in Unincorporated Far West and a civil parish of Yancowinna County in far western New South Wales.
The parish is at 31ð56â²45â³S 141ð21â²41â³E.
Nadbuck is part of the traditional lands of the Wiljali people.
The area was opened to European settlement after the discovery of minerals in the 19th century.