জাতিসংঘের বিশেষায়িত সংস্থা The International Civil Aviation Organization (ICAO) - এর সদরদপ্তর কোথায় অবস্থিত?

The International Civil Aviation Organization develops standards for global air transport and assists its 192 Member States in sharing the world’s skies to their socio-economic benefit. The International Civil Aviation Organization (ICAO) is a UN specialized agency, established by States in 1944 to manage the administration and governance of the Convention on International Civil Aviation (Chicago Convention). হেডকোয়ার্টার, কানাডার মন্ট্রিলে। Source: UN.org and icao website.