L1 users: 20,000 (2008 R. Covell).
Hualien county: inland from coast; Nantou county; Yulin county: small area in Nan’ao township. Central mountains.
Teruku (Truku), Te’uda (Tuuda), Tekedaya (Paran, Tkdaya). Dialects differ mainly in phonology and lexicon, some in grammar.
Also use Japanese [jpn], especially elderly individuals.
Latin script [Latn].
‘Taroko’, person, used by the coastals; ‘Sediq’, person, used by those in the mountains.