Tuni is a City in Kakinada district of the Indian state of Andhra Pradesh. It is a second biggest city in Kakinada district. Freedom fighter Alluri Sitaramaraju studied here. It is a major commercial marketing centre for more than 200+ surrounding villages in the district. Tuni is a border point for the district of Kakinada. It is known for mango production, with nearly 250 varieties being exported from the area. Tuni City is also known as "Mango City".