 Russia hosts the world's ninth-greatest number of UNESCO World Heritage Sites, at 29, and is among the world's most popular tourist destinations.It is a permanent member of the United Nations Security Council and an active global partner of ASEAN, as well as a member of the Shanghai Cooperation Organisation (SCO), the G20, the Council of Europe, the Asia-Pacific Economic Cooperation (APEC), the Organization for Security and Co-operation in Europe (OSCE), the International Investment Bank (IIB) and the World Trade Organization (WTO), as well as being the leading member of the Commonwealth of Independent States (CIS), the Collective Security Treaty Organization (CSTO) and a member of the Eurasian Economic Union (EAEU).The name "Russia" is derived from Rus', a medieval state populated mostly by the East Slavs.