Agia Triada Monastery or the Monastery of Agia Triada Tsangarolon is a Greek Orthodox monastery in the Akrotiri peninsula in the Chania regional unit, Crete, Greece. It also contains a museum. The monastery, which means "Holy Trinity", was built in the 17th century by two brothers of the Venetian Zangaroli family on the site of a pre-existing church. The monks produce and sell wine and olive oil on the premises.