Trailokya (, Tibetan: khams gsum; 三界; ) literally means "three worlds". It can also refer to "three spheres," "three planes of existence," and "three realms". Conceptions of three worlds (tri-loka) appear in Hinduism and Jainism, as well as early Buddhist texts.

Hindu cosmology

The concept of three worlds has a number of different interpretations in Hindu cosmology.

Buddhist cosmology

In Buddhism, the three worlds refer to the following destinations for karmic rebirth: Together, they make up all of the existence.

Jain cosmology

The early Jain contemplated the nature of the earth and universe and developed a detailed hypothesis on the various aspects of astronomy and cosmology. According to the Jain texts, the universe is divided into 3 parts:

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