Which country in Northwest Africa is not a monarchy?

Tunisia, officially the Republic of Tunisia, is a country in Northwest Africa, covering 165,000 square kilometres (64,000 square miles). Its northernmost point, Cape Angela, is the northernmost point on the African continent. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia's population was estimated to be just under 11.93 million in 2016. Tunisia's name is derived from its capital city, Tunis, which is located on its northeast coast.

Tunisia is a unitary semi-presidential representative democratic republic. It is considered to be the only full democratic sovereign state in the Arab World. It has a high human development index. It has an association agreement with the European Union; in addition, Tunisia is also a member state of the United Nations and a state party to the Rome Statute of the International Criminal Court. Close relations with Europe – in particular with France and with Italy – have been forged through economic cooperation, privatisation and industrial modernization.