The castle was made up by a curtain wall, encircling an enclosed courtyard with several buildings such as the bishop's residence, a chapel and several minor buildings. The ruins of Absalon's Castle can be seen today in the subterranean excavations under Christiansborg Palace.
According to the
At the death of Absalon in 1201, possession of the castle and city passed to the
In 1368 the castle and city was conquered by a coalition of enemies of King Valdemar IV of Denmark, most notably the Hanseatic League, Albert, King of Sweden, the Duke of Mecklenburg and the counts of Holstein. The following year, the castle was torn down to the ground as a result of the peace treaty.
After the destruction of the castle, the remnants were covered by a
The castle was surrounded by a curtain wall of limestone from Stevns Cliffs. The remains of this curtain wall are preserved today in the ruins beneath Christiansborg, and it can be seen from the ruins how the wall was constructed. From Absalon's Castle, the foundations of some houses, which lay within the curtain wall, and a well have also been preserved. The well, a so-called hulk well made from hollowed out oak trunks, contained when it was excavated several building fragments of marble, believed to originate from a church which must have lain within the Bishop's castle.
55°40′35″N 12°34′50″E / 55.67639°N 12.58056°E / 55.67639; 12.58056