Austronesian language
Waropen is an Austronesian language spoken at the Cendrawasih Bay of Indonesian Papua. It is fairly closely related to the Yapen languages.
Dialects are Waropen Kai, Napan, and Ambumi.
Phonology.
 can also be heard as a fricative .
 may also exist phonemically in other dialects.
Sounds can be heard as vowels when after vowel sounds.
 may be pronounced as or .
Distribution.
In Papua province, it is spoken in Mamberamo Raya Regency and Waropen Regency. The Ambumi dialect also called Waruri is spoken in Ambumi village in Wondama Bay Regency, West Papua. Waropen is also spoken southwest to the Rombak River mouth.
References.
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