Overview
Brahmaloka (Sanskrit: ब्रह्मालोक, IAST: Brahmāloka), also known as Satyaloka (सत्यलोक), is described in Hindu tradition as the realm of Brahma, the creator deity of the Trimurti alongside Vishnu and Shiva. It is portrayed as the divine abode shared with his consort, the goddess Saraswati. In the Puranas, this realm is also referred to as Brahmapura.
In a wider philosophical sense, Brahmaloka is understood as the abode of Brahman, the ultimate reality in Hindu thought. The term thus carries both a personal connotation, associated with the deity Brahma, and a metaphysical one, linked to the formless absolute.
According to traditional cosmography, Brahmaloka is situated far above the other lokas, described as lying sixty million miles above Prajapati loka. It occupies the highest position in many Puranic schemes of the cosmos and is regarded as having great soteriological significance, being associated with liberation from the cycle of birth and rebirth.
The inhabitants of Brahmaloka are said to be free from death, dwelling perpetually in the company of yogins and partaking of the nectar of yoga. This depiction reflects the realm's status in Hindu traditions as a sphere of spiritual fulfilment, where attainment is connected with the practice of yoga and devotion.
References
Adapted from the English Wikipedia article on Brahmaloka.