With its location at the heart of mainland Southeast Asia and as one of Asia's hubs of transportation, Bangkok is home to many international and regional organizations. Among others, Bangkok is the seat of the Secretariat of the UN Economic and Social Commission for Asia and the Pacific (ESCAP), as well as the Asia-Pacific regional offices of the Food and Agricultural Organization (FAO), the International Civil Aviation Organization (ICAO), the International Labour Organization (ILO), the International Organization for Migration (IOM), the International Telecommunication Union (ITU), the UN High Commission for Refugees (UNHCR), and the UN Children's Fund (UNICEF).