EntityQ165383· pop 38· linked from 256 articlesAlsSign in to saveDanish island in the Baltic SeaKey factsLocationLittle BeltArea321 km (124 sq mi)RegionSouth Denmark RegionMunicipalitySønderborg MunicipalityLargest settlementSønderborg (pop. 27,194)Population51,322 (2010)Pop density154.5/km (400.2/sq mi)via Wikipedia infoboxArticleAls ( Danish pronunciation: [ˈælˀs], German: Alsen) is a Danish island in the Baltic Sea.GeographyRead full article (52 paragraphs)ConnectionsHouse of Schleswig-Holstein-Sonderburg-AugustenburgEntitySønderborg CastleEntityCategoriesAls (island)Danish islands in the BalticGeography of Sønderborg Municipality