Kruså (Danish pronunciation: [kʀuˈsɔːˀ]; German: Krusau) is a Danish border town and border crossing with a population of 1,618 (1 January 2014), six kilometers north of Flensburg, situated on the European route E45. It is located in Aabenraa Municipality (prior to the Municipality Reform of 2007 in Bov municipality).