Sweden Finland. There are several connections from the Stockholm area across the Sea of Åland to Mariehamn in the Åland Islands as well as Turku and Helsinki on the Finnish mainland and beyond to Estonia and St Petersburg in Russia. Ferry routes from the Stockholm area also connect with Ventspils and Riga in Latvia as well as Gdańsk in Poland across the Baltic Sea. The ferry ports of Karlskrona and Karlshamn in southeastern Sweden serve Gdynia, Poland, and Klaipeda, Lithuania. Ystad and Trelleborg near the southern tip of Sweden have ferry links with the Danish island of Bornholm and the German
Finland–Norway border negotiation. Cairns were erected after that with the last one at Nesseby in 1766. After Finland became a Grand Duchy of Russia, and the independent Kingdom of Norway was evoked into but in personal union with Sweden under the Swedish King, a treaty was again negotiated in 1816 with Russia. Defining the easternmost part of the borderzone. Between 1920-1944, the Petsamo area belonged to Finland, so the Finland–Norway border extended along the present Norway–Russia border to the ocean. The 1751 treaty also granted the Sami people the right to cross the border freely including their reindeer, as they always had