Mahasamund District is an administrative district in Chhattisgarh state in eastern India. The city of Mahasamund is the district headquarters. Mahasamund District is bounded by Raipur District – Gariyaband District – Baloda Bazar District -Raigarh District of Chhattisgarh state and Bargarh District and Nuapada District of Odisa state.

Mahasamund District covers an area of 3902.39 km² in the central eastern part of the Chhattisgarh. The district lies between 20°47′ to 21°31’30” latitude and 82°00′ and 83°15’45” longitude, surrounded by Raigarh District and Raipur District of Chhattisgarh and Nuapara District and Bargarh District of Orissa.

Granite rocks can be found in the Bagbahra, Basna and Pithora region. Rocks are predominantly limestone of the Chhattisgarh group contemporary to the Cuddapah group of the Upper Pre-Cambrian age, consisting of limestone layers, shale, sandstone, or quartzite. Neo-granite, dolerite, and quartz in intrusive forms are also found in the district. Hence there is a great scope of intense mining activity.

Mahasamund district has three National Highway which are National Highway 6 National Highway 217 National Highway 216. The construction of Four Lane road in National Highway 6 from Arang – Mahasamund to Saraipali up to Odisa is in progress.

Mahasamund railway station is an important station of the East Coast Railway zone. Mahasamund station is well connected to Raipur, Durg, Nagpur, Mumbai, Delhi, Bhopal, Gwalior, Sambalpur, Titilagarh, Vishakhapatnam, Tirupati, Puri, Bilaspur, Korba, Jodhpur, Ajmer, Ahemedabad, etc., through the Indian Railway system.

According to the 2011 census Mahasamund district has a population of 10,32,275, roughly equal to the nation of Cyprus or the US state of Rhode Island. This gives it a ranking of 438rd in India (out of a total of 640). The district has a population density of 216 inhabitants per square kilometre (560/sq mi) .Its population growth rate over the decade 2001-2011 was 20%. Mahasamund has a sex ratio of 1018 females for every 1000 males, and a literacy rate of 71.54%.

The district has a tribal population of 28.9%. The tribes living in the district are Bhujia, Binjhwar, Dhanwar, Halba, Kamar, Kanwar, Kharai, Munda, Pardhi, Bahalia, Saur, Saharia, Sonar, Sanwara and Kharwar.

Major languages spoken in this region are Chhattisgarhi, Hindi and Oriya.