Hey, my name is tyler and I stumbled onto this site when looking for some mapping programs for an upcoming DnD campaign that I am going to run

I am an avid DnD player and enjoy creating my own worlds and settings. My lastest brainchild is a dark city campaign where the Large and evil races of the world control the city and the meium sized races live in shanty towns in the bad parts of the city. The campaign takes place entirely within the city.