Is Northern Virginia the south ?

Northern Virginia, locally referred to as NOVA or NoVA, comprises several counties and independent cities in the Commonwealth of Virginia in the United States. It is a widespread region radiating westward and southward from Washington, D.C. With an estimated 3,149,413 residents in 2018 (36.97 percent of Virginia's total population), it is the most populous region of Virginia and the Washington metropolitan area.

According to the census bureau it is,

Yes, Northern Virginia is part of the south. It is a part of the state of Virginia, which is part of the south.

As someone that lives in Northern Virginia, I would say NO not really. It doesn't have the culture and personality of the south. It is not really the North, either. It's pretty unique because basically a melting pot of people that either work for the government, for high tech/defense contractors, the military., or the infrastructure to support region.

It's debatable.

Richmond is centrally located in Va. It was the Capitol of the confederacy. West Va. was formed by splitting Va. and became part of the union. So, there's fringe.

The following lists maps including deep south etc.

https://www.google.com/search?q=list+of+southern+s...

Yes, It's part of the South but not the deep South.