The country occupies a total area of . The area of inland water is , variously stated as from 500 to 700 km2 (193–270 sq mi). Lake Arresø northwest of Copenhagen is the largest lake. The size of the land area cannot be stated exactly since the ocean constantly erodes and adds material to the coastline, and because of human land reclamation projects (to counter erosion). Post-glacial rebound raises the land by a bit less than  per year in the north and east, extending the coast. A circle enclosing the same area as Denmark would be  in diameter with a circumference of  (land area only: and  respectively). It shares a border of  with Germany to the south and is otherwise surrounded by  of tidal shoreline (including small bays and inlets). No location in Denmark is farther from the coast than . On the south-west coast of Jutland, the tide is between , and the tideline moves outward and inward on a  stretch. Denmark's territorial waters total .