Hollo (also Hallo, Niesky, or Nisky) is an unincorporated community in Northampton County, Pennsylvania, United States. Located at (40°43′22″N75°17′44″W) (40.7228753, -75.2954566), Hollo lies a short distance southeast (about one minute of latitude south and one minute of longitude east) of the borough of Nazareth, at an altitude of 436 feet (133 m). The intersection of Nazareth Road (Route 248) and Hollo Road lies in northeastern Lower Nazareth Township, southeast of Nazareth and northwest of the city of Easton.