Tritenii de Jos () is a commune in Cluj County, Transylvania, Romania. It is composed of six villages: Clapa (Szentkirályi tanya), Colonia (Detrehemtelep), PÃÂdurenii (ÃÂigÃÂreni until 1964, also formerly called Coc; Mezà Âkók), Tritenii de Jos, Tritenii de Sus (Felsà Âdetrehem), and Tritenii-Hotar (Irisorai tanyák).
The commune is situated on the Transylvanian Plateau, at an altitude of , on the banks of the river Valea LargÃÂ. It is located in the southeastern part of Cluj County, east of Turda and southeast of the county seat, Cluj-Napoca, on the border with MureÃÂ County.
According to the census from 2002 there was a total population of 5,066 people living in this commune. Of this population, 90.99% were ethnic Romanians, 8.23% were ethnic Hungarians and 0.75% ethnic Romani. At the 2011 census, the population had decreased to 4,240, of which 88.84% were Romanians and 8% Hungarians. At the 2021 census, Tritenii de Jos had a population of 3,950, of which 87.92% were Romanians and 6.33% Hungarians.