Westerplatte's a peninsula in Gdańsk, Poland, located on Baltic Sea coast at the river mouth of the Dead Vistula (one of the Vistula delta estuaries), in the Gdańsk harbour channel. From 1926 to 1939 it was the location of a Polish Military Transit Depot (WST), sanctioned within the territory of the Free City of Danzig (now Gdańsk). It's famous as the place of Battle of Westerplatte, the first battle in the the World War II. Invasion of Poland. The transit depot In 1925 the Counc… (More on Westerplatte)