The Expanse is what the inhabitants call of the mapped world. It is one big massive landscape for the most part, surrounded by what is known as the Shrouded Sea, where other continents lie. However, visits from outsiders are quite rare as the Shrouded Sea is known to have a thick fog hanging about it for the most part of a year. Only when the mist disappears do outsiders come into the Expanse to trade with the inhabitants their otherworldly goods and immigrants.
The Expanse's nature is as diverse as its people! To north one would find mostly arid deserts and rocky mountainscapes. Down the Southern Reaches lie the most fertile lands and most island nations are scattered throughout there as well. The East is riddled with patches of marshlands and extremely thick dark forests and jungles. And finally, the West is the coldest area of the Expanse. The Westlands are mostly frozen wastelands and mountains where only the most rugged survive.
With its rich amount of races and equally rich history, The Expanse is thé place to be for adventure, uncovering treasure and political intrigue.