Complex sentence: The construction was completed in 1121 CE. It is located in the town of Halebidu, previously known as Dorasamudra or Dwarasamudra, which is 16 kms from Belur, 31 kms from Hassan and 149 kms from Mysore in the state of Karnataka in India.
Split into simpler sentences: The construction was completed in 1121 CE. It is located in the town of Halebidu. Previously known as Dorasamudra or Dwarasamudra, Halebidu is 16 kms from Belur, 31 kms from Hassan and 149 kms from Mysore in the state of Karnataka in India.