Visingsö is an island in the southern half of Lake Vättern in Sweden. Visingsö lies 30 kilometres (19 miles) north of the city Jönköping and 6 kilometres (3.7 miles) west of Gränna from which two car ferries connect the island. The island is 14 kilometres (8.7 miles) long and 3 kilometres (1.9 miles) wide, with a total area of 24 square kilometres (9.3 square miles). According to the statistics from Jönköping Kommun, in 2023 there was a total population of 684 people living in Vinsingsö, which was a slight decrease in population from 2019 statistics.
https://en.wikipedia.org/wiki/Visings%C3%B6