Sagala or Sangala, the ancient Greek name for the modern city of Sialkot in present day Pakistan, was a city of located in northern Punjab, Pakistan. Sagala was known as Sakala to the natives of the Indian sub-continent during ancient times. Sagala (alias Sakala) is mentioned as the capital of the successor Greek kingdom when it was made the capital by King Menander I, son of Demetrius.
Read more about Sagala: References in Mahabharata, Destruction By Alexander, Sunga Period, Indo-Greek Rule, Later Times