The term 'Neighbor of Lebanon' can be answered by two crossword solutions: Syria (5 letters) and ISRAEL (6 letters). Syria is a country located in the Middle East, bordering Lebanon to the north and east, Turkey to the north, Iraq to the east, Jordan to the south, and ISRAEL to the southwest. ISRAEL is a country located in the Middle East, bordering Lebanon to the north, Syria to the northeast, Jordan and the West Bank to the east, and Egypt and the Gaza Strip to the southwest.