English Hillsborough County Hillsborough, NH Hillsborough County Hillsborough County Wikipedia English Wikipedia English Hillsborough County, NH Learn History and Geography about Hillsborough County.. English Hillsborough County English Hillsborough English Hillsborough, NH en.wikipedia.org/wiki/Hillsborough_County,_New_Hampshire English Hillsborough, NH English Hillsborough County Hillsborough Hillsborough English Hillsborough County, NH Manchester-Nashua, NH MSA Hillsborough County, New Hampshire Wikipedia English Hillsborough County