New Hampshire is a state located in the northeastern United States. It is known for its beautiful scenery and rich history. The four cities mentioned in the crossword are all located in New Hampshire. Derry is a town located in Rockingham County, and is the fourth largest city in the state. Keene is a city located in Cheshire County, and is the ninth largest city in the state. Nashua is a city located in Hillsborough County, and is the second largest city in the state. Alton is a town located in Belknap County, and is the smallest of the four cities mentioned.