Coastline Provinces now have +25% Development Cost

[Dnote]

Most large cities are inland, this is a common factor across Europe and Asia.

Americas are different, because of colonisation and first settler location/congregation.

 

[Trin Tragula]

Terrains where adjusted worldwide as well. Coastal terrain should mostly be used for small islands and similar now (there are still a few that could do with adjusting in North America though).

 

[Trin Tragula]

The penalty is for having a coast; i.e. for being a coastal city.

The penalty is for provinces with the coastal terrain type. Which mostly exist on small islands.