Welcome to Central City, USA
Some things need to be explained so that players have a better understanding of a city in the world of darkness. In the real world a large city like this would contain maybe 500,000 people, in the world of darkness it has a population of around 5,000,000. Of these people around 500 will be born every day and 500 will die. Of those 500 over half will be of unnatural causes relating to murder or violence. Also the city has a police force of 5,000 men ranging from street cops to correctional officers. Out of these maybe half will survive to retirement. Even with the dangers a high paying job that gives good pay, a gun, requires only a GED, and being corrupt greatly increases your survival chances always has recruits signing up by the hundreds each year. This is a city where the schools are overpopulated and underfunded, and even with over half all students dropping out of school, the schools are bursting at the seams.
Many zones have places that are repeated over and over again and nothing special. As pc's or plots interact with them they will get more extensive write ups. But for now many zones have lists of non descript school, police stations, gas stations etc.
The Umbra is a strange place. Since the destruction of the city father the city has split into different spiritual zones. Certain spirits have risen as sort of lesser city fathers of each of these zones. Each zone in the process was spiritually sundered from its neighbors and while travel between them is possible in the umbra it is difficult at best and only possible if you know what you are doing. Also important to note is that the umbra is a spiritual representation of the real world not an overlaid map. If you try to use the umbra to travel you will quickly become lost. Also many places in the city will have thier umbra defined. Some will only have a ?. The defined ones you can have looked at without much dificulty and is here to give you an idea of the city. Things with a ? need to be explored by pc's to know what is there for one reason or another. As a note exploring the Umbra is incredibly dangerous.