With its limits sharply defined on all sides by the man-made wall and two great rivers (East and Hudson), the city was a kind of miniature of Amsterdam, whose density and compacteness made it convenient for business and easy to defend.
In the detailed map above, 342 houses and buildings can be seen, along with the stout ramps of Fort Amsterdam, the company pier and windmill, and the tidily laid out gardens, orchards, and backyards.
A Dutch sea captain named Jacob Jansen Hays, wrote on September 30, 1660, one month after the Castello Plan was made: