The crossword solution for the term 'Neighbour of Iran' is Iraq (4 letters). Iraq is a country located in the Middle East, bordered by Iran to the east, Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest, Syria to the west, and Turkey to the north. It has a long history as an ancient civilization, and is the birthplace of the Abrahamic religions. Iraq is also known for its oil reserves, which are among the largest in the world.