The Largest and Most Easy to Reach Fairground of Turkey Istanbul is a capital city of Congress and Trade Fairs in Turkey. İstanbul Expo Center having the largest exhibition area is made an average of 100 trade fairs every year. Thousands of exhibiting companies meet numerous visitors from new markets. Participating companies finding opportunities through the fairs organized in IFM. International fairs, which are considered as one of the biggest fairs in the world and attract thousands of visitors from Turkey and abroad every year, are organized in IFM.