Perth is a place.
Perth is the capital and largest city of the Australian state of Western Australia . As part of Perth 's role as the capital of Western Australia , the state 's Parliament and Supreme Court are located within the city , as is Government House , the residence of the Governor of Western Australia . Perth is divided into 30 local government areas and 250 suburbs , stretching from Two Rocks in the north to Singleton in the south , and east inland to The Lake .