Nevajoki (Mannerheim's Finland)

Nevanlinna is one of biggest cities. Nevanlinna is particularly important both economically and strategically due to it's geographical location; situated at the head of the Gulf of Finland on the Baltic sea imperative to naval trade and security. Prior to Finland possession, Nevanlinna was known as both Saint Petersburg or Petrograd under the Russian Empire then under Soviet Russia. The name 'Nevanlinna' was a finnish translation of the original fort constructed on the ground of the city by the Swedish Empire in 1611 (known as Nyenskans). Nevanlinna is a central city for cultural significance as the capital of the Russian Empire for numerous centuries until the capital was moved to Moscow. Furthermore, the city was the spawning grounds for the October Revolution and the Provisional governments legislative capital after the February Revolution. The city was occupied following the assault on the city during the and was ceded to  after the Treaty of Petroskoi (August 1919).

The years after led to a mass exodus of Loyal Russians, who migrated eastwards into Soviet Russia or the Siberian Empire and a mass imigration of Finns and surrounding Ingrians to the city. However, a large majority of upper class and nobility of Russia remained in the city and became an integral part to the new cultural face of Nevanlinna with some even sympathetic to Finnish occupation due to opposition of communist ideals.

During the 1920s and 1930s, Nevanlinna business became very competitive with Helsinki's improving industy. Nevanlinna was recognised as part of the 'Gulf Triple', a competitive import and export market amongst Helsinki, Tallinn and Nevanlinna.