Sandaun Province

"The Olo speakers live in a pear-shaped area extending up to Aitape Township in the north and some
thirty miles south ... The speakers are spread out among fifty-four villages and the Poro Resettlement Scheme. There are also numerous speakers spread throughout other cities and rural areas of Papua New Guinea. The majority of the population live south of the Torrecelli Mountains, with roughly 1,200 residing in coastal villages."

"Sandaun Province, Lumi district. 55 villages."

73 villages: Aiterap, Bes, Kapoam, Karaite, Lupai, Morok, Nengian, Paiawa, Pultalul, Seiyum, Siaute, Wauningi, Yongiti, Kakoi, Kuatim, Urutei, Yebil, Yokoma, Amaitem, Eretei No. 1, Flobum, Kalau, Karaitei, Karaitem, Kumnatei, Kupoam, Maiwetem, Mimbitei, Minatei No. 1, Minatei No. 2, Miwautei, Mokai, Pai, Rauwetei, Sarbotei, Siboitei, Sigaitei, Sugoitei, Tauwitei, Tofungu, Tolgeti, Wabutei, Wagoitei, Wai'eli, Wantipi, Wigoitei, Wilbitel, Wilium, Yongitei, Ali, Buru'um, Eretei No. 2, Karatei, Keibam, Klelbuf, Lau'um, Lumi, Maui, Miliom, Mareitei, Orutei, Otei, Otemgi, Sabtei, Saindei, Sibitei, Talbipi, Tauwetei, Telotei, Twaitei, Wabuf, Wilikli.

"The village of Nengian contains both Olo and One speakers, and many villagers are bilingual."