Tenali is located at 16.25°N 80.58°E.It has an average elevation of 11 meters. It is located 16 miles south of Guntur. Three canals of Krishna river flow through Tenali making it a part of the rice bowl of Andhra Pradesh.
Tenali is located 30 km from the sea coast. It is generally hot and humid during summer with temperatures ranging between 32-45° C. Winters are milder with temperatres between 15 and 23° C.
The regions around the town have fertile soil and are irrigated by the Krishna river water and its canals. Major crops in Tenali are Sugarcan ,Rice Oranges, Sapota, Turmeric, and Mango. The main market conducts business in agricultural produce and traditional wares. Tenali is famous for pure Gold, Jewellery, Wood and Steel utensils.
By Rail- Tenali is the major railway junction connecting to Guntur, Vijayawada and Chennai.
By Road- It is well connected with several cities of Andhra Pradesh.
As per 2001 Census, Tenali had a population of 149,839. Males constitute 50% and females 50% of the population. 10% of the population is under 6 years of age. Tenali has an average literacy rate of 67%, higher than the national average of 59.5%: male literacy is 72%, and female literacy is 61%.
Tha main Spoken language of Tenali is telugu. There are a good number of famous temples, such as Kanyaka Parameswari temple, Vaikunthapuram (also known as chinna Tirupathi), Patha Shivalayam, Ramalingeswara Alayam, Patha Anjaneya swami gudi, Chitti Anjaneya swami gudi, Morrispet Shivalayam, Saibaba temple and Appala swami temple.
Festivals in Tenali are celebrated on a grand scale throughout the year . Vinayaka Chaturdhi, Sri Rama Navami and Deepawali are the main festivals. From Ugadi till Rama Navami, all the main streets are decorated with displays of various gods and goddesses. The celebrations continue for ten days. During the Sankranti festival, lord Venkataswara's idol along with those of Lakshmi and Padmavati are taken on a decorated boat in one of the Krishna canals.
It is the home of spicy items of Andhra cuisine such as Avakaya, Magaya and Gongura pickles and a sweet dish made of jaggery called Jilebi A village by name Munnangi (20 Kms from Tenali) has a Shiva temple with three Lingas in the Sanctum Sanctorum, an unsual phenomenon.
Tenali is well known for its educational institutions. Vignan residential college which is the first residential college in Andhra Pradesh for intermediate education is located Tenali. Other two famous V.S.R & N.V.R colleges are one of the oldest institutions of Andhra Pradesh.