Kadapa (formerly known as Cuddapah) is a city in the Rayalseema region of the south-central part of Andhra Pradesh, India. It is the district headquarters of YSR Kadapa district. As of 2011 Census of India, the city had a population of 344,078. It is located 8 kilometres (5.0 mi) south of the Penna River. The city is surrounded on three sides by the Nallamala and Palakonda hills lying on the tectonic landscape between the Eastern and Western ghats. Black and Red ferrous soils occupy the region. The city is nicknamed “Gadapa” (‘threshold’) since it is the gateway from the west to the sacred hills of Tirumala.

Kadapa has been under the rule of different kingdoms, including the Cholas, the Vijayanagara Empire. It is also well known for its spicy and culinary food.

The city’s name originated from the Telugu word “Gadapa” meaning threshold or gate. It acquired this name with its relation to the Tirumala Hills; one had to pass through Cuddapah in olden days to reach Tirumala Hills. In old Telugu the word Kadapa meant a threshold which in modern standard Telugu is evolved to gadapa while the city’s name retained the old flavour. It was spelled “Cuddapah” but was changed to “Kadapa” on 19 August 2005 to reflect the local pronunciation of the name.

Kadapa is located at 14.47°N 78.82°E about 412 km from Hyderabad, in the Rayalaseema region of Andhra Pradesh.The city is situated in the Bugga or Ralla Vanka which is bordered by the Palakondas to the south and to the east by a patch of the same hills casting north for the Lankamalas on Penneru`s other side.It has an average elevation of 138 metres (452 ft).The hills of western and eastern ghats stand on either sides, shielding it from the extreme winds of summer and winter.

Kadapa is one of the largest and fastest developing cities in Andhra Pradesh. As per the 1991 census the population of the town was 1,21,463. It didn’t increase much as per the 2001 census which recorded 1,26,505 lakhs for 20 wards population with an average decade growth rate of 0.36 per cent.Later it was converted to a Municipal Corporation in 2005. As per provisional data of 2011 census, Kadapa urban agglomeration has a population of 344,078, out of which males are 172,969 and females are 171,109. The literacy rate is 79.34 per cent. The urban population has 75% Hindus, 22% Muslims and 3% Christians.

The city has rich culture and heritage with the influence of different dynasties. There are different rituals, customs and traditions with the existence of different religions such as, Hinduism, Islam, Christianity, Buddhism and Jainism.

Agriculture, Mining forms a part of the city’s economy.There are good number of schools, degree colleges, engineering colleges and universities. These include Rajiv Gandhi Institute of Medical Sciences, Kandula Srinivasa Reddy Memorial College of Engineering, Hyderabad Public School,Yogi Vemana University.

Kadapa is has good road connectivity. NH-18 passes through the city which connects Kurnool and Chittoor.APSRTC provide bus services to various destinations of the Kadapa district and other cities of the state like Hyderabad, Vijayawada, Vishakhapatnam, Rajamundry,Tirupati(at a frequency of one bus in every 15 minutes), and also neighbour state capitals Bangalore and Chennai.Kadapa has its own railway station in the city. The Mumbai-Chennai line which happens to be one of the busiest lines in the south central region passes through Kadapa railway station.Cuddapah Airport was opened for air traffic on 7 June 2015.

Kadapa has a good historical past, making it one the antique cities in India. The city has tourist attractions like, Devuni Kadapa, Ameen Peer Dargah, Bhagwan Mahavir Government Museum, etc. Besides these there are many other attractions around Kadapa, like the Sri Lankamalleswara Wildlife Sanctuary, Gandi.