The Golden Temple is located in Amritsar Punjab, India. It's in the middle of a former small lake.
Sri Guru Ram Dass Ji (4th Guru) started digging the Amrit Sarovar told by Sri Guru Amar Dass Ji(3rd Guru). Sri Guru Arjah Dev Ji (5th Guru) brick-lined Amrit Sarovar. He also started construction of Sri Harimandir Sahib. He was first head precast after construction was finished. It's also home to the Akal Takht (Timeless one) constituted by Baba Budha Ji.