Hollo (also Hallo, Niesky, or Nisky) is an unincorporated community in Northampton County, Pennsylvania, United States.

It is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.

This Northampton County, Pennsylvania state location article is a stub.

You can help Wikipedia by expanding it.