Nashua Regional Planning Commission
13 municipalities
| Town | County |
|---|---|
| Amherst | hillsborough |
| Brookline | hillsborough |
| Hollis | hillsborough |
| Hudson | hillsborough |
| Litchfield | hillsborough |
| Lyndeborough | hillsborough |
| Mason | hillsborough |
| Merrimack | hillsborough |
| Milford | hillsborough |
| Mont Vernon | hillsborough |
| Nashua | hillsborough |
| Pelham | hillsborough |
| Wilton | hillsborough |