Budacu de Jos (; ) is a commune in BistriÃÂa-NÃÂsÃÂud County, Transylvania, Romania. It is composed of five villages: Budacu de Jos, Buduà(Alsóbudak;Budesdorf), Jelna (Kiszsolna; Senndorf), Monariu (Malomárka; Minarken), and SimioneÃÂti (Simontelke; Seimersdorf).
The commune is situated on the Transylvanian Plateau, at the foot of the CÃÂlimani Mountains. The river Budac (a tributary of the ÃÂieu) flows through the commune.
Located in the Nösnerland historic region of Transylvania, Budacu de Jos lies in the south-central part of BistriÃÂa-NÃÂsÃÂud County, south of the county seat, BistriÃÂa. County road DJ172G connects the component villages of the commune, while road DJ173C leads to the city of BistriÃÂa.
At the 2011 census, Budacu de Jos had 2,772 inhabitants, of which 78.97% were Romanians and 17.93% Roma. At the 2021 census the population had increased to 3,289, of which 78.63% were Romanians and 15.66% Roma.