If you are playing a version like the or a "portable" setup, finding and entering seeds follows these steps:

I am playing the portable version of Anno 1404: Venice and I am looking for some great map seeds to start a continuous game.

: Note that "seeds" also refer to in-game items purchased from Northburgh or Al Zahir to add new fertilities to an island. These are socketed into your warehouse to allow production of goods not originally available on that island. Continuous Game | Anno 1404 Wiki | Fandom

If you are playing the portable version of Anno 1404: Venice , you might be struggling to find a balanced map for your city-building needs. Map seeds are universal, meaning a seed that works on the Steam version will work on the Portable edition, provided the game settings are identical.

The seed will generate the same basic geography, but resource node locations may vary slightly depending on the number of AI players.

Map 39950 has its largest island almost in the center of the map. It has 2x Stone, 1x Brine, 2x Coal, 3x Iron, and 3x Bear's Cave. Anno 1404 Wiki Continuous Game | Anno 1404 Wiki