How many islands are in the island group where Steven Raymond Christian was born ?
Pitcairn Islands The Pitcairn Islands ( ; Pitkern: "Pitkern Ailen "), officially Pitcairn, Henderson, Ducie and Oeno Islands, are a group of four volcanic islands in the southern Pacific Ocean that form the last British Overseas Territory in the Pacific. The four islandsPitcairn, Henderson, Ducie, and Oenoare spread over several hundred miles of ocean and have a total land area of about 47 sqkm . Only Pitcairn, the second-largest island that measures about 3.6 km from east to west, is inhabited.
Batu Islands The Batu Islands are an archipelago of Indonesia located in the Indian Ocean off the west coast of Sumatra, between Nias and Siberut. The three primary islands, of approximately equal size, are Pini, Tanahmasa, and Tanahbala. There are forty-eight smaller islands, of which the largest are Sipika, Simuk, Bodjo, Telo and Sigata; less than half are inhabited. The islands are governed as a part of South Nias regency within North Sumatra province. In Indonesian and Malay, "batu" means "rock" or "stone".