Those regions (viz., five Bharata, five Airavata and five Mahāvideha (in Jain Cosmography)), where people earn their livelihood by karma (action) such as- agriculture, commerce, and also where the people can undertake the spiritual activities.
kṛṣivāṇijyatapaḥsaṃyamānuspuīnādikamuipradhānā bhūmayoḥ karmabhūmayaḥ.(Nandī 23 Ma Vṛ Pa 102)
kammabhūtnagā paṃcasu bharahesu paṃcasu eravadesu paṃcasu mahāvidehesu ya.(NandīCū p. 22)
- Akarmabhūmi.