Yanam was a French factory for 200 years.
=== Irrigation ===Yanam receives irrigation water via the Bank Canal, which begins at the Dowleswaram headworks of Sir Arthur Cotton's barrage on the River Godavari, downstream from Rajahmundry
 After implementation of the Child Marriage Restraint Act, 1929 in British India, Telugu people often traveled to Yanam to conduct child marriages, which remained legal under the French administration

