Big Tabar) in the south, Tatau Island in the center, and Simberi Island in the north - as well as a number of smaller offshore islets.

The highest peak is Mount Beirari at 622 m (2,041 ft).

[1] The Tabar Group is administered by the Sentral Niu Ailan Rural Local Level Government (LLG), New Ireland Province.

The Tabar Group is the area of origin of Malagan art.

Three dialects have been identified, Simberi, Tatau and Tabar.