Madang Province, Papua New Guinea
3.994 S, 144.963 E
summit elevation 240 m
stratovolcano
Boisa is located close to Manam volcano, offshore from Bogia on the Madang coast. It is really a vent of Manam rather than a distinct volcano.

Boisa Volcano - John Seach
Possible Holocene eruptions of Boisa volcano.