I-Oceania ligama elisetyenziswa kwijografi xa kuthethwa ngayo ikwilizwekazi iyingqokolela yala mazwe alandelayo:i-Australia, i-New Zealand, i-New Guinea, kunye nezinye iziqithi ezininzi nezizwe eziyingqongileyo. Abanye abantu bathi yiAustralasia le ndawo eyinxalenye yehlabathi. Maxa wambi, abantu basebenzisa igama elithi Oceania kuba lona libandakanya kuphela iziqithi zePolynesia neseMelanesia kulwandle i-Pacific, nto leyo eyenza okokuba izimele geqe okanye yahluke kwi-Australasia.