Maria Wörth (Slovene: Otok) is a municipality in the district of Klagenfurt-Land in the Austrian state of Carinthia. The centre of the resort town is situated on a peninsula at the southern shore of the Wörthersee. In the east the municipal area borders the Carinthian capital Klagenfurt. The municipality consists of the two Katastralgemeinden Maria Wörth and Reifnitz (Ribnica)