The largest cities and economic centers of Switzerland include Zurich, Geneva, Basel, and Lausanne.

An excerpt from the article 45 facts about Switzerland

These cities are home to the offices of international organizations such as the World Trade Organization (WTO), the World Health Organization (WHO), the International Labor Organization (ILO), the headquarters of the International Olympic Committee (Lausanne), FIFA, the UN headquarters in Geneva, the Bank for International Settlements.

These cities are also home to Switzerland's main international airports.