Kingdom of Yemen
The Kingdom of Yemen (Arabic: المملكة اليمنية, romanized: al-Mamlakah al-Yamanīyah), officially the Mutawakkilite Kingdom of Yemen (Arabic: المملكة المتوكلية اليمنية, romanized: al-Mamlakah al-Mutawakkilīyah al-Yamanīyah) and also known simply as Yemen or, retrospectively, as North Yemen, was a state that existed between 1918 and 1970 in the northwestern part of the modern country of Yemen. Located in the Middle East, it was bordered by Saudi Arabia to the north, the Aden Protectorate to the south, and the Red Sea to the west.