What are the type of pidgins spoken in Australia and the Pacific region called? Why?

In Australia and the Pacific region, the types of pidgin languages spoken are generally referred to as Pacific Pidgins and Creoles. These include languages such as Tok Pisin in Papua New Guinea, Bislama in Vanuatu, and Solomon Islands Pijin. They are often named after the regions or countries in which they are spoken.

These pidgin languages developed mainly as a result of contact between speakers of different native languages, including the indigenous languages of the Pacific Islanders and the languages of colonizing European powers, such as English and French. They originally arose to facilitate communication for trade, labor, and colonial administration.

Tok Pisin, Bislama, and Solomon Islands Pijin are English-based pidgins, meaning they have a significant amount of vocabulary borrowed from English, but their grammar, phonology, and syntax are typically simplified and sometimes mixed with elements from local languages. Over time, many of these pidgins have stabilized and become creoles, which are fully developed languages with native speakers.

The term "pidgin" derives from a mispronunciation of the English word "business," reflecting their use in trade and commerce. These languages are particularly interesting linguistic phenomenons because they show how new languages can emerge as a consequence of multi-lingual situations, often in contexts of dramatic social change such as colonization and globalization.