They are responsible for the governance and development of men's and women's football at all levels in the region.

The headquarters is located in Himmelev in the northern part of Roskilde.

[2] Founded on 14 September 1902, it is the second oldest regional football association under the Danish FA and kept its original name, Sjællands Boldspil-Union (SBU), until 1 February 2011, where it was changed to its current name, DBU Sjælland.

The top league at the local senior men's level under the football association's administration is called Sjællandsserien and was regarded as one among several top regional leagues in Danish football between 1902 and 1927.

Before the national "knockout" cup competition, DBU Pokalen, was introduced in 1954, the football association had its own regional cup competitions known as SBUs Pokalturnering, which was contested between 1949 and 1953.