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In Hinduism, Brahmapura is the abode of Brahma, one of the three Trimurti. It is located on Mount Meru. It is also referred to as Brahmaloka or Satyaloka in all of the puranas. Brahmapura is the topmost loka within this material universe.
Upanishads, Advaita 
In the Puranas, and already in the Atharvaveda, there are fourteen worlds, seven higher ones (vyahrtis) and seven lower ones (patalas), viz. bhuu, bhuvas, svar, mahas, janas, tapas, and 'satya' above and atala, vitala, sutala, rasaataala, talatala, mahaatala, patala and naraka below.
During each pralaya, the lower ten realms (loka) are destroyed  while the higher four realms, including Satya-loka, Tapa-loka, Jana-loka, and Mahar-loka are preserved. During each Mahapralaya, all 14 realms are destroyed.
The Chāndogya Upaniṣad says in 8:1:1 that within the Brahmapura "is an abode, a small lotus-flower within which is a small space (antarakasa). What is within that, should be searched out; that, assuredly, is what one should desire to understand."
Further there are Hiranyapura (golden city) and Siddhapura or White Island.
Kaśmir Śaivism 
In Kaśmir Śaivism Abhinavagupta introduced the 36 Tattwas which include the 7 hinduistic lokas. Trimurti is in Kaśmir Śaivism the īśvara tattva (analog to 'Maheshvara' - shiva) und the primary Paramshiva exists in a plane high above the Parashakti. Swami Param Brahma is therefore comparable with Sada - Shiva and Satyaloka is comparable with the Sadashiva - Tattwa.
Radhasoami says equally that higher planes than hinduistic brahman  and Satyaloka exist: Anami Lok, Agam Lok, Alakh Lok - Akaal(Sach-Khand) as 1st Heavenly region - Sat Nam or Sat Lok - Divine World like Satyaloka.
Brahma loka, Vaikuntha loka(Vishnu), Shiva loka are seen as the same and form together the highest loka (dimension) of the 14 lokas. 'Satya loka' is at their top und can be looked at as the lowest plane of Para Brahman.
Narayana is also venerated as Para Brahman and therefore to pervade all the 14 lokas and the entire Brahmanda (Universe) which includes both manifested (planets, stars, galaxies, black holes, etc which constitute 25% of the Universe) and unmanifested (the unknown dark matter which constitutes 75%) energy. Lord Vishnu who is said to live in Vaikuntha is a finite form of the infinite formless, timeless Narayana.
Here is Brahmaloka the highest of the celestial worlds, the abode of the Brahmas. It consists of twenty heavens : the nine ordinary Brahma-worlds, the five Suddhāvāsā, the four Arūpa worlds, the Asaññasatta and the Vehapphala (e.g., VibhA.521).
- Self-Realization Brahmaanubhava: The Advaitic Perspective of Shankara: Brahmaanubhava : The Advaitic Perspective of Shankara (Cultural Heritage and Contemporary Change. Series Iiib, South Asia, V. 4) von Vensus A. George von Council for Research in Values & (Januar 2001) - page 103
- Sharma, Shubhra. Life In The Upanishads. Abhinav Publications; 1 edition (February 14, 2011)
- chhandogya upanishad as PDF
- Twitchell, Paul (1988) The Far Country. Illuminated Way Publishing. ISBN 0-914766-91-0
- Twitchell, The Far Country as PDF
- http://veda.wikidot.com/loka The 7 Lokas
- B. K. Chaturvedi (2004). Shiv Purana. Diamond Pocket Books. p. 124. ISBN 8171827217
- http://www.sacred-texts.com/hin/m03/m03172.htm Hiranyapura
- https://groups.google.com/forum/?fromgroups=#!topic/alt.yoga/AHsjYpVQf_c Rai Saligram on Radhasoami, Brahma and the Creation
- www.ruhanisatsangusa.org/pdf/ss76/ss197601.pdf Planes of Radhasoami
- http://www.palikanon.com/english/pali_names/b/brahmaloka.htm Palikanon about brahmaloka