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Neu Mecklenburg:see New IrelandNew Ireland,
volcanic island (1990 pop. 64,615), c.3,340 sq mi (8,650 sq km), SW Pacific, in the Bismarck Archipelago, part of Papua New Guinea. New Ireland is largely mountainous, rising to c.4,000 ft (1,220 m). Much of the island is under cultivation, especially the east coast.
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