A region that houses our ally nation Ala Mhigo. If Ishgard is the city-state of snow, then we can say Ala Mhigo is the city-state of sand.

[ Desert! Anyway hm. ]

You're right, Ser Prompto. Very astute of you. The Forgotten Knight was first founded by a former knight, so forth it would continue to be passed down to former knights.