Storstrøms Amt (English Storstrøm County) is a former county (Danish: amt) on the islands of Zealand (Sjælland), Møn, Falster, Lolland and some minor islands in southeast Denmark. The county was formed on 1 April 1970, comprising the former counties of Maribo and Præstø. The county was abolished effective January 1, 2007, when it merged into Region Sjælland (i.e.