Sri Harmandir Sahib is the holiest Gurdwara of Sikhism, located in the city of Amritsar, Punjab, India.The fifth Sikh Guru, Guru Arjan, designed the Harmandir Sahib to be built in the center of this holy tank, and upon its construction, installed the Adi Granth, the holy scripture of Sikhism, inside the Harmandir Sahib.