I would write the information on index cards, what is where. create a large scale map. Know that if I want to remember something I need to keep it at the forefront of my mind and actively use it so I would play with it.
You asked on the Memory Optimiser forum whether that course could help with this. Yes it could. However I suggest that you do the course first. Not looking for ways to connect it on your first pass through. Once you've listened to the course and played witht he ideas independantly you'll see many ways you can adapt the ideas to help you.
Analograffiti could become maps, ABC list to name the businesses in a certain complex.
Demographics change so you'll learn not to lock into what type of people live there but find a flexible way to watch for changes.
Alex
