The Niue Constitution Act vests executive authority in Her Majesty the Queen in Right of New Zealand and the Governor-General of New Zealand.
The Constitution specifies that in everyday practice sovereignty is exercised by the Niue Cabinet of Ministers, composed of the premier and three other ministers.
In 1889 the chiefs and rulers of Niue, in a letter to Queen Victoria, asked her "to stretch out towards us your mighty hand, that Niue may hide herself in it and be safe".
After expressing anxiety lest some other nation should take possession of the island, the letter continued: "We leave it with you to do as seems best to you.
In a document dated 19 October 1901, the "King" and Chiefs of Niue consented to "Queen Victoria taking possession of this island".
; Niuean: Niuē) is an island country in the South Pacific Ocean, 2,400 kilometres (1,500 mi) northeast of New Zealand, east of Tonga, south of Samoa, and west of the Cook Islands.
Niue's land area is about 261 square kilometres (101 sq mi) Niue, whose capital is the village of Alofi, is a self-governing state in free association with New Zealand; and New Zealand conducts most diplomatic relations (though not all) on its behalf.
The chiefs of Mutalau village allowed him to land and assigned over 60 warriors to protect him day and night at the fort in Fupiu.
Christianity was first taught to the Mutalau people before it spread to all the villages.
Niueans are citizens of New Zealand, and Queen Elizabeth II is head of state in her capacity as Queen of New Zealand.