|• Total||2,484.70 km2 (959.35 sq mi)|
|Elevation||70 m (230 ft)|
|• Density||790/km2 (2,000/sq mi)|
|Time zone||IST (UTC+5:30)|
Chandauli is a town and a nagar panchayat in Chandauli district in the state of Uttar Pradesh, India. It is the administrative headquarters of Chandauli District. Chandauli became a separate district for the first time on May 20, 1997. However, after coming into power, Mulayam Singh Yadav dissolved it on January, 2004 and ensured its merger again in Varanasi. But, the decision was challenged in the high court after which its recreation was ensured on June 17, 2004.
Chandauli is located at  It has an average elevation of 70 metres (230 ft). It comes under Varanasi division of Uttar Pradesh. It is located just about 30 kilometres from Varanasi. Mughalsarai, a major and very important railway junction between Northern and Eastern India is located in Chandauli district. Chandauli Majhwar railway station serves Chandauli..
- Number of tehsils : 3 : Chandauli, Sakaldeeha and Chakia;
- Number of blocks : 9 : Barahani,Chandauli,Niyamtabad, Chahaniya, Sakaldeeha, Dhanapur, Chakiya, Shahabganj and Naugarh.
Thanas : 12 Mughalsarai,Alinagar,Balua,Chakiya,Chandauli,Saiyyadraja,Sakaldeeha,Shahabganj,Baburi,Dheena, Dhanapur and Naugarh.Kandawa
- Number of villages 1651;
- STD Code 05412
Rivers : Ganga,Karmanasha,Chandraprabha and others.
Canals :Chandraprabha,Mushakhad,Narayanpur Lift Canal.
Waterfalls :Rajdari,Devdari,Aurvatard,Karmanasha Waterfall and others.
Lakes :Chandraprabha,Bhaisoda,Naugarh,Mushakhard,Latifshah and others.
As of 2011[update] India census, Chandauli had a population of 1,952,756. Males constitute 52.12% of the population and females 47.87%.In 2011 Chandauli has an average literacy rate of 71.48 compared to 59.72 of 2001, higher than the national average of 59.5%; with male literacy of 81.75% and female literacy of 60.45%. 16% of the population is under 6 years of age.
Distance of Chandauli from important cities
Varanasi-30 km; Allahabad-155 km; Gwalior-623 km; Lucknow-320 km; Kanpur-350 km; Ghazipur-50 km;Mirzapur-80 km; Jaunpur-90 km; Azamgarh-125 km; Gorakhpur-210 km;Patna-230 km; Gaya-230 km; Ranchi-400 km;Jharsuguda-824 New Delhi-810 Kolkata-670 km
- Falling Rain Genomics, Inc - Chandauli
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.