Spain is an unincorporated area of Lykens Township, Dauphin County, Pennsylvania that was served by the Pillow Post Office, Dauphin County. It is located between the Mahantongo Creek (which is the boundary between Dauphin and Northumberland Counties) and the north face of the Mahantongo Mountain.
The map show here is from 1875 and in the center of the map are the homes and schoolhouse that were part of the community of Spain, although not specifically identified as Spain. The one-room schoolhouse has been previously identified at the Troutman School (or Trautman School).
See:
_____________________________________
Map cut from Pennsylvania Archives. Note that the community of Spain is not identified on the 1858 or 1862 maps.
Corrections and additional information should be added as comments to this post.