Ulawun is an active volcano situated on the island o New Britain, about 130 km southwest of Rabaul volcano.
Papua New Guinea 2009, Ulawun volcano.
Burundi 2013, Ulawun volcano, (perforated and inperforated)
The miniaturesheet was issued in the series "15ème anniversaire de la Disparition d'Haroun Tazieff".
Republic of Guinea 2017, Ulawun volcano & Mellite.
The stamp was issued in the series "Volcanoes & Minerals".