Milsko could refer to
*
Milsko, Lubusz Voivodeship in Poland, or
*The historical name for
Upper Lusatia
Upper Lusatia (, ; , ; ; or ''Milsko''; ) is a historical region in Germany and Poland. Along with Lower Lusatia to the north, it makes up the region of Lusatia, named after the Polabian Slavs, Slavic ''Lusici'' tribe. Both parts of Lusatia a ...
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