The grand duchy of Muuraissaari is an imaginary country created by Gabriel I, Duke of Muuraissaari,it is situated on the isle of Muuraissaari,in southern Karelia,Finland.

The duchy is an absolute monarchy ruled by the Duke of Muuraissaari.

There are 5 ministers

-Minister of agriculture and construction Tommaso Pomponi

-Minister of defence and culture Federava (Federico Ravasio)

-Minister of foreign relations Manuele Mangoni

-Minister of research and development and welfare Matteo Mangoni

-Duke of Muuraissaari Gabriel I (Gabriele Torresin) Absolute monarch