Inland agricultural country — fields, packing sheds and the small towns that serve them. The part of the state that has nothing to do with the beach at all.
Status
Name confirmed
Real-world read
Central Florida farm belt around Clewiston and Belle Glade
Source
Rockstar official site
Rockstar names Ambrosia but has published no boundary, no size and no settlement list for it. Everything above beyond the name is our reading of official trailer and screenshot footage.