A newcomer's guide to which region to actually be excited about
Written for the people who have joined recently and are getting six region names thrown at them with no context.
Vice City is the city. It is what the game is called and it is where most of the story is. You will spend a lot of time here and it will be extremely good.
The other five are why the map is interesting. Grassrivers is wetland you cross by boat. Port Gellhorn is a run down coast. Ambrosia is farmland and industry. Mount Kalaga is wilderness. The Keys are islands.
Do not let anyone tell you which one to care about, including me, and I have opinions. The one you end up loving will be the one you find yourself in at two in the morning with no mission active.