Perfect Wisłoujście Fortress! Located in 🇵🇱 Gdansk, Poland!

The Wisłoujście Fortress is the oldest coastal fortress of the Polish seacoast. In the modern times, it is often called the Gate to the Republic of Poland. The impressive fortification protected ships on their way to the port of Gdańsk. It also played the function of a lighthouse, the berthing site of the Polish fleet, and a prison.