 The capital is Skopje, with 506,926 inhabitants according to a 2002 census, and there are a number of smaller cities, notably Bitola, Kumanovo, Prilep, Tetovo, Ohrid, Veles, Štip, Kočani, Gostivar and Strumica.It has more than 50 natural and artificial lakes and sixteen mountains higher than 2,000 meters (6,550 ft).The country is a member of the UN, NATO, and the Council of Europe and is also a member of La Francophonie, the World Trade Organization (WTO), and the Organization for Security and Cooperation in Europe.