Sopot is Poland's spa city, occupies a privileged position on the Baltic Sea, and has been widely known as the ideal destination for the rich and royalty throughout the ages, a splendour that has persisted even during the era of communism, and even today this small city has undergone a massive architectural revolution . In addition to its picturesque beaches and luxury resorts, Sopot is well known for its boardwalk (the longest wooden walkway in Europe), the beautiful opera house set in the woods, and the lively Monte Cassino Street.