The town of Iernut is located in the western part of the county, on the left bank of the Mures River, on the international European road E 60, Târgu Mures - Cluj- Napoca, at its crossroads with the national road DN 14A Iernut - Târnaveni - Medias, 30 km west of Târgu Mures and 12 km east of Ludus. It is also a railway station connecting Târgu Mures to Razboieni.
     In the archeological reservations of Cipau and Lechinta ceramic vestiges dating from the Neolithic Age as well as from the Basarabi culture were discovered. In Cipau, traces of the Cris culture and an inhumation cemetery from the first era of the Stone Age, were discovered. As well, a scattered hut settlement and an incineration necropolis, where a collection of bronze Roman coins was found together with ceramic objects, were discovered in this area. On the place of today's town of Iernut archeological traces of a Roman colony from the 2nd-3rd centuries were found. The town is documentary dated from 1257 under the name of terra Ranolth, and in 1461 it becomes a borough, oppidum Radnot. It received its present name in 1854. It was declared town on the 17th of May 1989.
     The castle and the estate from Iernut gradually belonged to various noble families. In 1707 Gheorghe Rákóczi the 2nd stopped here, on his way to Târgu Mures, where he was to be crowned Prince of Transylvania. During that time several congregations and 15 diets of the Transylvanian nobility took place here.
     The inhabitants of Iernut took part in the National Assembly from Blaj and in the events of 1918 that culminated with the Great National Assembly from Alba Iulia, the 1st of December 1918. The battle from Oarba de Mures in September 1944 led to the death of nearly 11,000 Romanian soldiers. For their glory an impressive monument was built in 1950 on the Mures terrace, where, each year, on the 9th of May, respects are paid in the honor of those that perished for the liberation of the country from the fascist rule. In the near proximity of the monument, a national camp of outdoors sculpture has functioned each summer since 1984, the participants making sculptures with historical themes, especially connected to the battles that took place in this town.
     After World War II a series of industrial units were built in Iernut, all these leading to the development of the town. The thermo-electric power station is the best-known economic unit belonging to Iernut. It became operational in 1963, and in 1978 it covered 11 % of the national production of electric energy. The town of Iernut also possesses natural gas exploitations, research and agricultural production stations, vegetable and flower greenhouses, cattle and swine farms, fish farms.
     The most important tourism site is the "Kornis - Rákoczi - Bethlen" Castle from 1545, modified in 1650 - 1660, built in the Renaissance style and modified under the control of the Venetian architect Agostino Serena. The castle currently hosts the Agricultural High-School. We must also mention the Reformed Church (1486), The Museum of History, Luppa Capitolina (1994) - symbol of the Latinity of the Romanian people, and, last but not least, the "Buna Vestire" Orthodox Church dating from the 18th century as well as the "Sfintii Arhangheli Mihail si Gavril" Orthodox Church from 1765.