North vs Northern Iran

North

name
  • A group of countries mainly lying north of the equator, including most of the West and the First World and much of the Second World. 

  • Northern Ireland. 

  • The northern states of the United States. 

  • The Union during the American Civil War. 

  • A civil parish of Prince County, Prince Edward Island, Canada, named for its location. 

  • The North of England, a cultural region. 

  • North Korea. 

  • A surname. 

  • A town in Orangeburg County, South Carolina, United States, named after John North. 

Northern Iran

name
  • A coastal region in north of Iran and south of Caspian Sea, corresponding to the provinces of Gilan, Mazandaran, and Golestan. 

How often have the words North and Northern Iran occurred in a corpus of books? (source: Google Ngram Viewer )