බටහිර ඕස්ට්‍රේලියාව

බටහිර ඕස්ට්‍රේලියාව (ඉංග්‍රීසි:  Western Australia), ඕස්ට්‍රේලියාවේ පිහිටි ප්‍රාන්තයකි.

Western Australia
Flag Coat of arms
Slogan or nickname	The Wildflower State; The Golden State
Other Australian states and territories
Coordinates	26°S 121°E
Capital city	Perth
Demonym	Western Australian, West Australian, Sandgroper (colloquial)
Government	Constitutional monarchy
• Governor	Kim Beazley
• Premier	Mark McGowan (Labor)
Australian state
• Established (as the Swan River Colony)	2 මැයි 1829
• Responsible government	21 ඔක්තෝබර් 1890
• Federation	1 ජනවාරි 1901
• Australia Act	3 මාර්තු 1986
Area
• Total	2,645,615 km² (1st) 1,021,478 sq mi
• Land	2,529,875 km² 976,790 sq mi
• Water	115,740 km² (4.37%) 44,687 sq mi
Population (December 2018)
• Population	2,606,338 (4th)
• Density	1.03/km² (7th) 2.7 /sq mi
Elevation
• Highest point	Mount Meharry 1,249 m (4,098 ft)
Gross state product (2017–18)
• Product ($m)	$255,883 (4th)
• Product per capita	$98,997 (2nd)
Time zone(s)	UTC+8 (AWST) (most of state) UTC+8:45 (ACWST) (around Eucla)
Federal representation
• House seats	16/151
• Senate seats	12/76
Abbreviations
• Postal	WA
• ISO 3166-2	AU-WA
Emblems
• Floral	Red-and-green or Mangles kangaroo paw (Anigozanthos manglesii)
• Animal	Numbat (Myrmecobius fasciatus)
• Bird	Black swan (Cygnus atratus)
• Fish	Whale shark
• Fossil	Gogo fish (Mcnamaraspis kaprios)
• Colours	Black and gold
Website	www.wa.gov.au