3,750 (1990 UBS).
Papua Province, Jayapura, Demta, Depapre, 13 villages on north coast east and west of Tanahmerah bay.
Tepera, Yewena-Yongsu, Yokari. Yokari dialect understood by other dialects at 80% to 95%, others have 95%–100% mutual intelligibility. Lexical similarity: 30% with Sentani [set].
Also use Indonesian [ind].
Latin script [Latn].
Distinct from Tanahmerah [tcm] (Sumeri) of Bomberai Peninsula. Ethnic autonym: Tepera. Christian, traditional religion.