Perth
geographical name
\ ˈpərth
\
\
Definition of Perth
1
city on the Swan River in southwestern Australia that is the capital of the state of Western Australia area population 1,728,867 — see fremantle
2
or Perthshire \ ˈpərth-ˌshir
, -shər \
former county of central Scotland
, -shər \
former county of central Scotland
3
burgh in central Scotland on the Tay River northwest of Edinburgh population 47,000