Yanam [French: Yanaon] is a town in the Indian union territory of Puducherry, located in Yanam district, which forms a 30 km enclave in the district of East Godavari in Andhra Pradesh. It has a population of 32,000, most of whom speak Telugu. For 200 years it was a French colony, and, though united with India in 1954, is still sometimes known as French Yanam. It possesses a blend of French and Telugu culture prevailing in Andhra Pradesh. During French rule, the Tuesday market (mangalavaram santa) at Yanam was popular among Telugu people in the Madras Presidency who visited Yanam to buy foreign and smuggled goods during Yanam People's Festival, which is held in January. Also, after implementation of the Sarda Act in British India in 1929, Andhra people came to Yanam to conduct child marriages, which remained legal under the French administration. In 1936, Yanam's population was 5,220.
More development schemes were carried out in Yanam than in other places in India, and it was a trial-base centre for implementing development schemes in Puducherry.
Yanam is one of the regions in the Union Territory of Puducherry. which is 870 Kms away from it. It is situated on the East Coast of the Indian Peninsula at 16 degrees 42' northern latitude, and between 82 degree 11' Eastern longitude bounded on all sides by the East Godavari District of Andhra Pradesh State.
The town of Yanam lies on the spot where the River Coringa(Atreya) branches off from Gauthami into two parts. The entire region, consisting of Yanam town and six villages is treated as Municipality for purposes of local administration. The region, which covers an area of 30.0 Sq.KM, has a population of 31,362 according to the 2001 census. The region is bounded on the east and south by river Gauthami Godavari river which discharges itself into Bay of bengal after flowing almost 14 Kms towards east from Yanam.