Perth | Western Australia, Australia | Britannica

Perth, city and capital, Western Australia. Perth lies along the estuary of the Swan River, 12 miles (19 km) above that river’s mouth, which forms the inner harbour of neighbouring Fremantle. The city, the fourth largest in Australia, is the centre of a metropolitan area containing about three-fourths of the state’s population. In the early 19th century the British, suspicious of French …

https://www.britannica.com/place/Perth-Western-Australia