Eastern group : The Penans from Kubaan-Puak Forest Management Unit - they live mainly in Baram and Tutoh regions.
Western group: they live mainly in the Belaga region of Sarawak, Malaysia.
This indigenous people of Sarawak used to live by the following nomadic culture:
- Do not have permanent settlements,
- Do not farm, living mainly by foraging forest resources.
Nevertheless, as of today, only a small group of Penans are nomadic.