Sitaro Islands Regency (, full name:
Kabupaten Kepulauan Siau Tagulandang Biaro) is a regency located off the northern extremity of Sulawesi Island in the southern
Sangihe Islands,
North Sulawesi Province, Indonesia. The regency was formed under
Law Number 15 Year 2007 from 2 January 2007 , by division of the
Sangihe Islands Regency of which it had previously formed the southern part.