byla is Sedes Merceris Africae, located in coastal valley near Abyla.

Western Route (Lamission: Spring)
Rabat Kasbah: one week by ship from Abyla
Walili: one week by horse from Rabat Kasbah
Al Warit: two weeks by horse from Walili
Jedars: one week by horse from Al Warit
Djaferin: two weeks by horse from Jedars
Abyla: one week by ship from Djaferin

Eastern Route (Lamission: Autumn)
Tifesh: three weeks by ship & foot from Abyla
Aziziya: two weeks by foot & ship from Tifesh
Cyrene: two weeks by ship from Aziziya
Abyla: five weeks by ship from Cyrene