Akshardham is believed to be the divine abode of Swaminarayan. The followers of Swaminarayan believed that the jiva

Jiva

In Hinduism and Jainism, a jiva is a living being, or more specifically, the immortal essence of a living organism which survives physical death. It has a very similar usage to atma, but whereas atma refers to "the cosmic self", jiva is used to denote an individual 'living entity' or 'living...

 or soul goes to Akshardham after salvation to attain moksha

Moksha

Within Indian religions, moksha or mukti , literally "release" , is the liberation from samsara and the concomitant suffering involved in being subject to the cycle of repeated death and reincarnation or rebirth.-Origins:It is highly probable that the concept of moksha was first developed in...

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It is made from the words Akshar meaning indestructible and Dham meaning abode or home. Hence, Akshardham is the immortal abode of God or the abode of Lord Swaminarayan. This is a common term used in the Swaminarayan Hindu

Hindu

Hindu refers to an identity associated with the philosophical, religious and cultural systems that are indigenous to the Indian subcontinent. As used in the Constitution of India, the word "Hindu" is also attributed to all persons professing any Indian religion...

philosophy.