Char Dham, four abodes are the names of four pilgrimage sites in India that are widely revered by Hindus. It comprises Badrinath, Dwarka, Puri and Rameswaram. It is considered highly sacred by Hindus to visit Char Dham during one's lifetime. The Char Dham defined by Adi Shankaracharya consists of three Vaishnavite and one Shaivite pilgrimages.

Char Dham, four abodes are the names of four pilgrimage sites in India that are widely revered by Hindus. It comprises Badrinath, Dwarka, Puri and Rameswaram. It is considered highly sacred by Hindus to visit Char Dham during one's lifetime. The Char Dham defined by Adi Shankaracharya consists of three Vaishnavite and one Shaivite pilgrimages.
Badrinath in North state of Utarakhand became prominent when Nar-Narayan, an incarnation of Vishnu did Tapasya there. Badrinath came to be known the first Dham.
Rameshwaram in South state of Tamil Nadu got its importance in the Treta-Yug when Lord Rama built a Shivalingam here and worshipped it to get the blessings of Lord Shiva. The name Rameshwram means "the God of Lord Rama"
The third Dhaam Dwarka in west state of Gujarat got its importance in Dwapar Yug when Lord Krishna, incarnation of Lord Vishnu, made Dwarka his residence instead of Mathura.
Puri in the east state of Odisha, India is one of the oldest cities in the eastern part of the country where main deity is Shri Krishna, celebrated as Lord Jagannatha. It is the only shrine in India, where goddess, Subhadra, sister of Lord Krishna is worshipped along with her brothers, Lord Jagannatha and Lord Balabhadra.
In Hindu Puranas, Vishnu and Shiva are referred as eternal friends. It is said wherever there resides Sri Vishnu, Shiva also resides nearby. Chaar Dhaams are also not exception of this. So the Kedarnath is considered as the pair of Badrinath, Rangnath Swami is considered the pair of Rameshwaram. Somnath, the pair of Dwarka. Jagannath-Puri for Lingaraja Temple, Bhubaneswar!
Jai HariHara ~ Jai ShankarNarayana!