Breg pri Litiji was attested in written sources as Rein in 1444.[4] The name of the settlement was changed from Breg to Breg pri Litiji in 1953.[5] In the past the German name was Rann.[2]
Church
The local church is dedicated to Saint Catherine and has belonged to the Parish of Litija since 1936; it previously belonged to the Parish of Šmartno.[6] It was a 16th-century Gothic building that was restyled in the Baroque in the 18th century.[6][7] The church was originally dedicated to Saints Cosmas and Damian and was a pilgrimage church for people invoking their help against disease. The date of its rededication to Saint Catherine is unknown.[6] The main altar is dedicated to Saint Catherine, and the side altars are dedicated to Saint John of Nepomuk and Saint Francis Xavier.[6]