The '''Democratic Republic of the Congo''' (  ), also known as '''Congo-Kinshasa''', '''DR Congo''', '''the DRC''', '''the DROC''', or '''the Congo''', and formerly '''Zaire''', is a country in Central Africa. It is, by area, the largest country in sub-Saharan Africa, the second-largest in all of Africa (after Algeria), and the 11th-largest in the world. With a population of around 92 million, the Democratic Republic of the Congo is the most populous officially Francophone country in the world, as well as the fourth-most populous country in Africa (after Nigeria, Ethiopia and Egypt) and the 15th-most populous country in the world. It is a member of the United Nations, Non-Aligned Movement, African Union, and COMESA. Since 2015, the Eastern DR Congo has been the site of an ongoing military conflict in Kivu. The capital and largest city is Kinshasa.