|Dimitrovgrad is a city in Ulyanovsk Oblast, Russia, located on the Bolshoy Cheremshan River. Population: 127,000 inhabitants.
Dialing code: +7 84235. License plates: 73, 173. Postal code: 4335хх.
The city's leading enterprise, located 6 km (4 mi) to the south-west, is the country's Federal Nuclear Research Institute.
Within the framework of administrative divisions, Dimitrovgrad serves as the administrative center of Melekessky District, even though it is not a part of it.
Until 1972, the city's name was Melekess, after the river.