 It was first mentioned in 1434 (""Johan van dem Broike, Amtmann zu Bylstein"" = "John of the Broike, Bailiff of Bylstein") and, until 1803, was part of the Duchy of Westphalia and thus the Electorate of Cologne, before it was transferred to the Landgraviate of Hesse-Darmstadt, from which, in 1806 the Grand Duchy of Hesse emerged.Following a ruling by the Congress of Vienna this association came to an end and, on 1 August 1816, the territory of the "Amt" became part of the newly formed Regierungsbezirk Arnsberg in the Prussian Province of Westphalia.It became a subdivision of the "Kreis" Olpe.