Central Cordillera of New Guinea from Weyland Mts east, discontinuously (including Snow Mts, Star Mts, Victor Emanuel Range, Mt Bosavi, Mt Hagen, Mt Giluwe, Ambua Range, Kubor Range, Schrader Mts and Bismarck Range), to Kratke Range.
 
Population
Estimated population is unknown (2010).
King of Saxony Bird-of-paradise (Pteridophora alberti) [XC26802]
by Niels Krabbe from Baily bridge, below Tari Gap, Southern Highlands, Papua New Guinea (song, male display song)
King of Saxony Bird-of-paradise (Pteridophora alberti) [XC594572]
by id from Tari Gap, above 'Ambua Lodge', Southern Highlands, Papua New Guinea (song)
Subspecies
No subspecies.
Birds from Schraderberg (in Sepik Mts) described as subspecies buergersi and birds from southern slope of Mt Hagen as hallstromi, but both considered inadequately differentiated from those in rest of species' range.