Baksa, Formosan, Sideia, Sideis, Sideisch, Siraia, Siraiya, “Pepo-Hwan” (pej.), “Pepohoan” (pej.)
No known L1 speakers.
Tainan county: Hengchun to Peimen to Tapu.
Siraya, Makatao (Makattao, Takaraya, Tta’o), Pangsoia-Dolatok, Taivoan (Tevorang), Lamai.
Dictionary. Bible portions: 1661. Revitalization efforts since 1990s through Tainan Ping-pu Siraya Culture Association.
Latin script [Latn].
Still spoken in 1908 and some current semi-speakers. Sinicized.