Wikipedia
Tisler
Tisler is a small island in south-east Norway in Østfold. Tisler is one of many islands in the Hvaler Islands, which is a county in southeastern of Norway. Tisler is the last island which there is regularly people on before you reach Sweden and the Skagerrak. Tisler is not inhabited by people except for the summer, when many people come to their cottages to enjoy the sun and the warm climate.