Satras[1] are Ekasarana monasteries established by Mahapurush Shrimanta Sankardev (1449-1568 AD) and his disciples Shri Shri Madhabdev, Damodardev and also their disciples and followers in Assam and adjoining areas.
The chief of a Satra is called a Satradhikar.
Generally Satras are treasure troves of cultural artifacts.