Geography of Odder Municipality

Alrø is a small Danish island in Horsens Fjord on the east coast of Jutland within Odder Municipality.The island is 7.52 km long with a coastline of 14 km, and stretches a little over 5 km wide from east to west. With a population of 140 as of January 2025, the island can be reached by road over an artificial causeway which connects it to the mainland on the northern side of the fjord. Alrø has been inhabited continuously since the Stone Age up to modern times, with possible additional usage during the Viking Age as a landing site.

Tunø is a Danish island in the Kattegat, approximately 4 km west of the neighbouring island of Samsø. The island covers an area of , has a circumference of and has total of 66 inhabitants as of November 2022. It comes under the administration of Odder municipality. Tunø By is the only village on the island, with the hamlet of Løkkegårde as the second most populated area.