In Anno 1404, the layout of islands, the placement of resources, and the neutrality of the Corsairs are not randomly generated moment-to-moment; they are determined by a specific algorithm tied to a Map Number (or Seed).
Features two "giant" isles near main ports (Kingsport and Al-Zahir); excellent for large-scale production. 12421 History Edition anno 1404 best map numbers
A seed number alone does not guarantee a perfect map; you must match the original generator settings to get the expected results: The Cartographer’s Secret: A Guide to Anno 1404
Map 61376: A top choice for industrial-scale production. It is famous for containing 35 Brine deposits, allowing players to sustain a massive population of over 100,000 Nobles. It is famous for containing 35 Brine deposits
Island Distribution: Set to "Mainly Large Islands" if you want to maximize buildable space.
These seeds are historically favored by the community for providing balanced resources, attractive layouts, and strategic advantages.