Associated with - Sri Guru Hargobind Sahib Ji, Bibi Kaulan Ji

Gurdwara Sri Mata Kaulsar Sahib, also known as Gurdwara Mata Kaulan Sahib or Gurdwara Kaulsar Sahib, is a sacred Sikh Gurdwara on the western side of Gurdwara Sri Baba Atal Sahib in Amritsar near the main Darbar Sahib at Sri Harmandir Sahib.

Bibi Kaulan was a highly spiritual woman who was above religious divides and took refuge with Sri Guru Hargobind Sahib Ji at Amritsar (1606-1645). The samadh of Mata Kaulan lies at the western end of the Kaulsar Gurdwara.

Mata Kaulan, against whom her 'father' the qazi had pronounced a death sentence, for showing devotion to Sikh Gurus, was brought discreetly to Amritsar by Pir Mian Mir.

Mata Kaulan, who was allotted a special place near Sri Harmandir Sahib and Gurdwara Sri Baba Atal Sahib, where she spent most of her adult life before breathing her last at Kartarpur.