West Papua, formerly Irian Jaya Barat, is an Indonesian province located in Indonesia Papua. It covers most of the two western peninsulas of the island of New Guinea: the eastern half of the Bird's Head Peninsula and the whole of the Bomberai Peninsula, along with nearby smaller islands. The province is bordered to the north by the Pacific Ocean, to the west by Southwest Papua Province, the Halmahera Sea and the Ceram Sea, to the south by the Banda Sea, and to the east by the province of Central Papua and the Cenderawasih Bay. Manokwari is the province's capital and largest city. With an estimated population of 569,570 in mid-2023, West Papua is the least populous province in Indonesia after South Papua, following the separation off in 2022 of the western half of the Bird's Head Peninsula to create the new province of Southwest Papua, containing 52% of what had been West Papua's population.Its population density is similar to Russia.
The West Papuan languages are a proposed language family of about two dozen non-Austronesian languages of the Bird's Head Peninsula of far western New Guinea, the island of Halmahera and its vicinity, spoken by about 220,000 people in all. It is not established if they constitute a proper linguistic family or an areal network of genetically unrelated families.
The Mantion–Meax, Mantion–Meyah, or (South) East Bird's Head languages are a language family of three languages in the "Bird's Head Peninsula" of western New Guinea, spoken by all together 20,000 people.
The Bird's Head Peninsula or Doberai Peninsula is a large peninsula that makes up the northwest portion of the island of New Guinea, comprising the Indonesian provinces of Southwest Papua and West Papua. It is often referred to as The Vogelkop, and is so named because its shape looks like a bird's head on the island of New Guinea. The peninsula at the opposite end of the island is called the Bird's Tail Peninsula. The peninsula just to the south is called the Bomberai Peninsula.
Bomberai Peninsula is located in the Western New Guinea region. It is south of the Bird's Head Peninsula, and Bintuni Bay separates the two peninsulas. To the west lies the Sebakor Bay and to the south Kamrau Bay. On the southeast Arguni Bay lies between the peninsula and the Bird's Neck Isthmus.
Maybrat Regency is a regency of Southwest Papua Province of Indonesia. It has an area of 5,461.69 km2 (2,108.77 sq mi), and had a population of 33,081 at the 2010 Census and 42,991 at the 2020 Census; the official estimate as at mid 2023 was 46,287. The administrative centre is the town of Kumurkek, in Aifat District. The Maybrat language is spoken in the regency.
Teluk Bintuni Regency or Bintuni Bay Regency is a regency of West Papua Province of Indonesia. It covers an area of 18,637 km2, comprising administrative districts on three sides of Bintuni Bay, a gulf that separates the Bird's Head Peninsula and Bomberai Peninsula which together form the main geographical constituents of the province; it had a population of 52,422 at the 2010 Census and 87,083 at the 2020 Census; the official estimate as at mid 2023 was 90,101. The administrative centre is the town of Bintuni.
Tehit is a Papuan language of the Bird's Head Peninsula of New Guinea. Other spellings are Tahit, Tehid, and other names Kaibus, Teminabuan. Dialects are Tehit Jit, Mbol Fle, Saifi, Imyan, Sfa Riere, Fkar, Sawiat Salmeit.
Mpur is a language isolate spoken in and around Mpur and Amberbaken Districts in Tambrauw Regency of the Bird's Head Peninsula, New Guinea. It is not closely related to any other language, and though Ross (2005) tentatively assigned it to the West Papuan languages, based on similarities in pronouns, Palmer (2018), Ethnologue, and Glottolog list it as a language isolate.
Hatam is a divergent language spoken on the island of New Guinea, specifically in the Indonesian province of West Papua.
Sumuri or Sumeri is a language spoken in Sumuri District, Teluk Bintuni Regency on the Bomberai Peninsula by about a thousand people.
Meyah is a West Papuan language spoken in North Manokwari District, Manokwari Regency, West Papua, Indonesia. The Meyah language is agglutinative and head-marking and has no grammatical cases. It has subject-verb-object word order, which comes from nearby Austronesian languages.
Meninggo, or Moskona or Sabena, is a Papuan language spoken in Teluk Bintuni Regency on the north coast of West Papua, Indonesia.
Irarutu, Irahutu, or Kasira is an Austronesian language of most of the interior of the Bomberai Peninsula of north-western New Guinea in Teluk Bintuni Regency. The name Irarutu comes from the language itself, where ira conjoins with ru to create 'their voice'. When put together with tu, which on its own means 'true', the meaning of the name becomes 'Their true voice' or 'The people's true language'.
Wamesa is an Austronesian language of Indonesian New Guinea, spoken across the neck of the Doberai Peninsula or Bird's Head. There are currently 5,000–8,000 speakers. While it was historically used as a lingua franca, it is currently considered an under-documented, endangered language. This means that fewer and fewer children have an active command of Wamesa. Instead, Papuan Malay has become increasingly dominant in the area.
Mansim, also known as Borai or Moi Brai, is a West Papuan language of the eastern Bird's Head Peninsula closely related to Hattam. As of 2010 there are rumours of 50 elderly speakers.
The Berau Gulf, formerly the MacCleur Gulf, separates the Vogelkop (Doberai) and Bomberai Peninsulas of Western New Guinea. It opens on the Ceram Sea to the west and ends in Bintuni Bay to the east.
