In Civ 6, Adjacency Bonuses confer extra yields to Districts from specific Terrain or other tile types, but it's a little more complex than just that.

Adjacency makes a big return in Civilization 7. It's more important than ever to plan out your cities as you expand.

In Civ 6, Adjacency Bonuses confer extra yields to Districts from specific Terrain or other tile types, but it's a little more complex than just that.