In the Venice expansion, you have more control over map generation than in the base game. To get the most out of these seeds, use these settings in the "Custom Game" menu: Set to "Huge." Island World: Set to "Large."
If your goal is to build a massive cathedral and house thousands of Noblemen, this is the gold standard. Huge. anno 1404 venice best map seeds
Features a massive northern island with very few rivers, providing maximum building space for a grid-based city layout. In the Venice expansion, you have more control
Keep in mind that changing other map parameters (like island size or world size) can slightly alter how a seed renders, so keep those on "Huge" for the best results. In the Venice expansion