Quick Answer. On a map, New Zealand is located southeast of Australia across the Tasman Sea. Australia is a much larger country at nearly 3 million square miles. read more
Australia–New Zealand relations, also referred to as Trans-Tasman relations ("relations across the Tasman Sea"), are extremely close. Both countries share a British colonial heritage as Antipodean Dominions and settler colonies, and both are part of the wider Anglosphere. read more