Poland-Lithuania

Poland-Lithuania (: Rzeczpospolita Polska-Litwa, : Lenkijos-Lietuva Respublika), officially the Federal Republic of Poland-Lithuania, is a   located in, bordered by Germany to the west, the  and  to the south, , , and  to the east,  to the north.

Formation of the Commonwealth
In 1569, the facilitated the formation of a  union of the   and the  as the, formalising the de facto  of the Polish and Lithuanian monarchies established in the earlier marriage of  and Grand-Duke  in 1386. The Commonwealth existed as an monitored by a legislative  governed largely by the nobility ().