Flensburg Firth

Flensburg Firth or Flensborg Fjord is the westernmost inlet of the Baltic Sea. It forms part of the border between Germany to the south and Denmark to the north, on the eastern side of Schleswig Holstein and Jutland, respectively. Its length is between 40 and 50 kilometres (25 and 31 mi), depending on where it is considered to begin. It has the largest area of all the fjords of East Jutland, which are a special type of inlet, different from geological fjords. Two peninsulas, Broager on the northern side and Holnis on the southern side, divide the inlet into an outer and an inner part. West of them, near the Danish coast, there are two small islands called Okseøerne (meaning Ox Isles). On the Danish side, the outer part of the northern end of the firth is partly closed off by the island of Als, with the town of Sønderborg on it. Towards the west, continuing on the Danish side, are Broager, Egernsund, Gråsten, Rinkenæs, Sønderhav, and Kollund.