Lardin Sandaun (tsohon yankin na Yammacin Sepik ) shi ne lardin mafi arewa maso yamma na Papua New Guinea . Ya mamaye yanki na 35,920 km 2 kuma tana da yawan jama'a 248,411 (ƙidayar shekara ta 2011). Babban birni ne a Vanimo . A watan Yulin shekara ta 1998 yankin da ke kusa da garin Aitape ya sami mummunar tsunami sakamakon girgizar kasa mai karfin lamba 7.0 wanda ya kashe mutane sama da 2,000. Kauyuka biyar da ke gabar yamma ta gabar Vanimo zuwa kan Iyakokin Kasa da Kasa su ne; Lido, Waromo, Yako, Musu da Wutung.
Akwai hudu gundumomi a lardin. Kowane yanki yana da yanki ɗaya ko fiye na Levelananan Hukumomi (LLG). Don dalilan kidaya, an raba yankunan LLG zuwa anguwanni da kuma wadanda aka rarraba su zuwa sashin kidaya.
An gudanar da lardin ne ta hanyar mulkin mallaka na gari, karkashin jagorancin Firayim Minista, daga shekara ta 1978 zuwa shekara ta 1995. Bayan sauye-sauyen da suka fara aiki a waccan shekarar, gwamnatin kasar ta sake daukar wasu iko, kuma an maye gurbin rawar Premier da wani mukamin Gwamna, wanda zai lashe kujerar gaba dayan lardin a majalisar kasa ta Papua New Guinea .
A Lardin da kowace gundumar tana da wakilcin Dan Majalisar Wakilai ta Kasa . Akwai masu jefa kuri'a na lardi guda kuma kowane yanki, yanki ne na masu zabe.
Sandaun Province
Media related to West Sepik Province (Papua New Guinea) at Wikimedia Commons</img>