Khammam, also known as Khammamett, is the city in Khammam district of the Indian state of Telangana. It is the fourth largest city in the state. It is the headquarters of the Khammam district and Khammam mandal also. It is located about 193 kilometres (120 mi) east of the state capital, Hyderabad, 61 kilometres (38 mi) from Suryapet, 120 kilometres (75 mi) from Warangal and also it is located about 121 kilometres (75 mi) North of the Andhra Pradesh state capital, Amaravathi. 

The river Munneru flows on the western side of the city. As of 2011 census of India, Khammam urban agglomeration has a population of 313,504. However, on 19 October 2012, the civic body of Khammam was upgraded to Municipal corporation Post upgradation to corporation Khammam population is approximated to be 3,07,000.

As of 2011 census, population of Khammam (urban and rural areas combined) in 2011 is 313,504; of which male and female are 155,461 and 158,043 respectively—a sex ratio of 1017 females per 1000 males. Urban population of Khammam is 250,182 whereas, rural population of Khammam is 63,322. 32,172 children are in the age group of 0–6 years, of which 16,725 are boys and 15,447 are girls —a ratio of 924 per 1000. The average literacy rate stands at 79.40% (For ages 7 and above) with 223,380 literates, significantly higher than the state average of 67.41%.

Minister for IT and Industries KT Rama Rao inaugurated IT Hub in Khammam city. Spread across 42,000 sq feet, the five-floor IT tower is constructed at a cost of Rs 27 crore. As many as 19 companies signed up to begin operations at the IT hub which provides employment opportunities to unemployed youth. The minister also said that the government will sanction Rs 20 crore soon for the phase-II of IT Hub.

The city is connected to major cities and towns by means of road and railways. National and state highways that pass through the city are National Highway 365A, State Highway 3, and 42.

Khammam Telangana State Road Transport Corporation bus station is the second biggest and highly sophisticated bus station in the Telangana state with modern facilities.[26] The Telangana State Road Transport Corporation operates buses from Khammam to destinations like Hyderabad, Bengaluru, Warangal, Tirupathi, Suryapet, Vijayawada, Guntur, Rajahmundry, Kakinada, Eluru, Nizamabad, Visakhapatnam, Srikakulam, Adilabad, Bhadrachalam, Madhira, Godavarikhani, Karimnagar, Nellore, Jagityal, Kothagudem, Nirmal, Kurnool, Kadapa, Nuzvid, Tiruvuru, Jaggaiahpet, Macherla, Kaleshwaram, Srisailam, Manugur, Sathupally, Aswaraopeta, Bhimavaram, Kodad, Yellandu and Mahabubabad. City buses in the name of Khammam City Service run in various routes across the city and sub urban areas.