Built prewar as the residence of the Commonwealth Governor General.
Used by U. S. Army General MacArthur as his residence and headquarters in Port Moresby beginning on November 6, 1942, until moving to GHQ Hill near Cyclops at Hollandia. On November 30, 1942 on the front veranda of the Governor General's residence that General MacArthur famously told General Eichelberger:
"Bob…I want you to take Buna, or not come back alive."
Postwar, the building resumed being the Commonwealth Governor General's residence. The grounds are open to the public and tours of the building by appointment.