Landskrona Citadel ( or Landskrona slott) is situated in Landskrona, Scania, southern Sweden. Initially built 1549–1559 as a purely defensive fortification with two complete moats, the inner with a width of . The outer (complete) moat is between wide, and has cross fire bastions for artillery and guns. Outside the outer moat, a third narrower moat covers the northwest and northeast. There also exist remains of a fourth moat (between the two outer moats). The fortifications and moats system surrounding the castle is known to be one of Europe's largest and best preserved. In the area between the outer and far outer moat resides the oldest area of allotment-garden cottages of Sweden.