Which Oceanian country uses the kina as its currency?

Papua New Guinea uses the kina as its national currency.

The Papua New Guinean kina, abbreviated PGK and commonly marked with K, was introduced on 19 April 1975. It initially circulated alongside the Australian dollar because the country was still approaching independence. The two currencies began at parity, with one kina equal to one Australian dollar, and the Australian dollar ceased to be legal tender in Papua New Guinea at the end of 1975.

One kina is divided into 100 toea. Coins include toea denominations and kina coins, while banknotes have been issued in values such as K2, K5, K10, K20, K50 and K100. The Bank of Papua New Guinea is the issuing authority.

The word “kina” comes from Kuanua, a language of the Tolai people, and refers to a pearl shell that was historically important in trade across coastal and Highland communities. That origin gives the currency a specifically Papua New Guinean cultural connection. Vanuatu uses the vatu, Fiji uses the Fijian dollar, and Solomon Islands uses the Solomon Islands dollar—not the kina.