Terrain

Water
There are only four possibilities to build/move to water: Harbor, Donation on Water, Lighthouse and Canoe.

Mountain
There are only three possibilities to build/move to mountains: Donation on Mountain, Wagon and the upgraded Fountain.

Map building (Location, Castle, Capitol, Nomad space, Palace, Silo)
There is no possibility to build on map buildings.

There are 34 different locations, 13 of them are twice on their board section.

17 Castles

6 Nomad spaces

4 Palace

4 Silo