Ottenby (Swedish pronunciation: [ˈɔ̂tːɛnˌbyː]) is a town on the island of Öland, Sweden, located in Ås parish, Mörbylånga Municipality in Kalmar County. Ottenby is located just north of the southern tip of Öland, over thirty km south of the area's main town, Mörbylånga. Ottenby is also the name of the mansion and a royal demesne, now a nature reserve. Sweden's tallest lighthouse, Långe Jan, is just south of Ottenby. Reserve and demesne.
https://en.wikipedia.org/wiki/Ottenby