Which of the following, Coiba or Nalanda, was an acclaimed "Mahavihara", a large Buddhist monastery in the ancient kingdom of Magadha ?
Nalanda: Nalanda (IAST: "Nālandā " ; /naːlən̪d̪aː/ ) was an acclaimed "Mahavihara", a large Buddhist monastery in the ancient kingdom of Magadha (modern-day Bihar) in India.
i don't know