In Jain Dharma, “Jyotirloka” (also written Jyotish‑loka) means the region of light – the realm of luminous celestial bodies and the devas (heavenly beings) associated with them.

Below is a clear, Jain‑shastra–based explanation.

1. Place of Jyotirloka in Jain universe

According to Jain cosmology, the universe (loka) is divided (very simply) into three broad parts:

1. Adho‑loka – lower world (hells, naraka)
2. Madhya‑loka – middle world (human, animal, plants, some devas, etc.)
3. Ūrdhva‑loka – upper world (heavens of the higher devas and finally Siddha‑śilā)

Jyotirloka is in the upper part of Madhya‑loka.

Order (from below upwards) in very simple form:

• Below: Vyantara devas (intermediary/peripatetic devas)
• Then: Jyotirloka – the stellar / luminous region
• Above that: Vaimānika devas (kalpa heavens, anuttara heavens, etc.)

So Jyotirloka is like a “belt” of light‑giving bodies and the devas linked with them, lying between the lower devas and the higher kalpa heavens.

2. Who lives in Jyotirloka?

The main residents of Jyotirloka are:

(a) Jyotishka Devas (luminous devas)

These are one of the 4 main orders of devas mentioned in Jain texts:

1. Bhavanavāsī – residential devas
2. Vyantara – peripatetic / intermediary devas
3. Jyotishka – luminous / stellar devas
4. Vaimānika – higher heavenly devas

The 3rd order – Jyotishka devas – live in Jyotirloka.

They are called “Jyotishka” because:

• they are associated with light‑giving bodies (sun, moon, planets, stars)
• they themselves have a bright, shining form

(b) Celestial bodies themselves

In Jain cosmology, the sun, moon, planets and stars are also counted within Jyotirloka – they are part of the structure of this region. Each of these has:

• its own mandala (orbit / region)
• devas associated with that mandala

So Jyotirloka contains both:

• the luminous bodies (sūrya, chandra, graha, tārā, etc.)
• and the Jyotishka devas who reside in, around, or associated with these bodies.

3. Main divisions inside Jyotirloka

Different Jain texts go into a lot of mathematical detail, but for simple understanding, Jyotirloka is usually described as including:

1. Sūrya‑loka – region of the sun(s)
2. Chandra‑loka – region of the moon(s)
3. Graha‑loka – regions of the planets
4. Nakṣatra / Tārā‑loka – regions of the stars and constellations

All of these together make up the “world of light” – Jyotirloka.

4. Nature and life of Jyotishka devas

Birth and body

• They are heavenly beings (devas) – born spontaneously (no physical parents), as with all devas.
• They have luminous, subtle bodies, full of pleasure compared to human bodies.
• They are not liberated souls – they are still in saṃsāra (cycle of birth and death).

Knowledge

• Like other devas, they naturally have avadhi‑jñāna (clairvoyant knowledge) to some extent – more than ordinary humans, less than higher devas and far less than kevalins.

Life span

• Their lifespans are extremely long, much longer than human lives.
• Exact calculations vary text to text, but always: far, far longer than human or animal lifetimes.

Enjoyment but no liberation

• Their life is full of pleasures, comforts, and brightness.
• Yet, they are not free from karmas.

After their lifespan ends, they will take birth again according to their karma – possibly as humans, animals, or even in lower states, if they misuse their heavenly life.

So Jyotirloka is pleasant, but not the final goal in Jain Dharma.

5. Relation to spiritual path

From the viewpoint of Jain spiritual progress:

• Taking birth in Jyotirloka as a Jyotishka deva is the result of puṇya (merit) – good karmas like charity, restraint, devotion, etc.
• But:

- In Jyotirloka, there is too much enjoyment and distraction, so deep sādhanā toward moksha usually does not happen there. - Moksha (liberation) is possible only by destroying all karmas – that almost always happens from a human birth, not from a Jyotishka state.

Thus, Jyotirloka is a high and bright state within saṃsāra, not the end of the journey.

6. Digambar and Shvetambar view

On Jyotirloka itself, Digambar and Shvetambar traditions agree on the main points:

• There are four orders of devas, including Jyotishka.
• Jyotishka devas dwell in a special luminous region (Jyotirloka) associated with sun, moon, planets, stars.
• They enjoy heavenly pleasures, have subtle shining bodies, and very long lifetimes, but are not liberated.

Differences, where they appear, are usually only in:

• very detailed numerical calculations (exact distances, dimensions, counts, etc.)
• some names / sub‑classifications of devas

The overall concept and structure is the same in both traditions.

7. In summary

• Jyotirloka = “world of light” in Jain cosmology.
• It lies in the upper middle part of the universe, between Vyantara devas below and higher heavens above.
• It includes:

- Sun, moon, planets, stars and their regions - Jyotishka devas – luminous heavenly beings linked to these bodies

• Life there is very pleasurable and bright, but souls are still bound by karma and will re‑enter the cycle of birth and death.
• Therefore, Jyotirloka is a high heavenly region, not moksha.

The goal of Jain Dharma remains Siddha‑loka / Siddha‑śilā, beyond all lokas, where the soul is forever free.