What is Sydney Opera House?
{{Infobox building | name = Sydney Opera House | status = completed | image = The Sydney Opera House at dusk.jpg | image_size = 270 | image_alt = | caption = | map_type = Australia Sydney#New South Wales#Australia | map_alt = | map_caption = Location of Sydney Opera House | relief = 1 | altitude = {{convert|4|m|ft|0|abbr=on}} | building_type = [[Performing arts center|Performing arts centre]] | architectural_style = [[Expressionist architecture|Expressionist]] | structural_system = Concrete frame & precast concrete ribbed roof | cost = {{AUD|102 million}}, equivalent to ~{{AUD|927 million}} in 2016<ref>{{cite web|url=http://www.rba.gov.au/calculator/annualDecimal.html|title=Inflation Calculator|publisher=RBA|date=14 February 1966|accessdate=10 March 2017|archive-url=https://web.archive.org/web/20170303032708/http://www.rba.gov.au/calculator/annualDecimal.html|archive-date=3 March 2017|url-status=live|df=dmy-all}}</ref> | client = [[Government of New South Wales|NSW government]] | owner = NSW Government | current_tenants = {{Unbulleted list|[[Opera Australia]]|[[The Australian Ballet]]|[[Sydney Theatre Company]]|[[Sydney Symphony Orchestra]]|(+ others)}} | location = [[Bennelong Point, New South Wales|Bennelong Point]], [[Sydney]] | location_country = Australia | coordinates = {{coord|33|51|31|S|151|12|51|E|region:AU-NSW|display=inline,title}} | groundbreaking_date = 1 March 1959 | start_date = 1 March 1959 | completion_date = 1973 | opened_date = 20 October 1973 | inauguration_date = 20 October 1973 | renovation_date = | height = {{convert|65|m|ft|0|abbr=on}} | other_dimensions = {{unbulleted list | length {{convert|183|m|ft|0|abbr=on}} | width {{convert|120|m|ft|0|abbr=on}} | area {{convert|1.8|ha|acre|1|abbr=on}} }} | seating_capacity = {{Unbulleted list|Concert Hall 2,679|Joan Sutherland Theatre 1,507|Drama Theatre 544|Playhouse 398|The Studio 400|Utzon Room 210|'''Total 5,738'''}} | main_contractor = [[Civil & Civic]] (level 1), M.R. Hornibrook (level 2 and 3 and interiors) | architect = [[Jørn Utzon]] |