You would have to do your homework in finding the area in which you would want to reside in moving to Alexandria, Va.
The dominant fact in deciding what area of the city you would reside would be determined by the amount you are willing or is able to pay for rent or the purchase a house.
We have no idea as to your budget in this cost. If your budget is limited to $600.00 per month for monthly housing, this neighborhood might not be as good as a neighborhood where the cost is $900.00 per month.
You would need to
#1. Google for a list of property managers in Alexandria. Once you have such a list you would contact several of these property manager to acquire a list of rental they would have available for rent. These list would include the number of bed and bathrooms, the monthly rental cost and other information.
#2. Once you have found a rental you would want to find a police report for the area you have selected, normally the police report is done by zip code, to find out past criminal activity that has taken place in the zip code. This criminal report is not a prediction of potential criminal activity.
#3. Google for the local school district rating of the zip code you have selected. Normally the higher the school district rating the better the area.
I hope this has been of some benefit to you, good luck.