The Cartographers by Peng Shepherd
An interesting contemporary fantasy published in 2022. To quote the blurb:
"Some places you won't find on any maps, others, only on maps.
Nell Young has lived her life in and around maps. Her father, Dr. David Young, was one of the most respected...
Mexico at night, exaggerated terrain and city lights
Mexican Penninsula and Southern United States West Coast, exaggerated
Mediterranean West w/Gibraltar & The European Union, exaggerated
Mediterranean North Central Coast, exaggerated