Bangkok (Thai: กรุงเทพมหานคร; English: KrungThepMahaNakhon), the world's first-tier cities, Thailand is the world's happiest economy, Bangkok is the capital and largest city of Thailand, also known as the "City of Angels", is located on the east bank of the Mekong River (Chao Phraya), south of the Gulf of Siam. Bangkok is the largest city on the Central and Southern Peninsula and the second largest city in Southeast Asia, and is the center of Thailand's politics, economy, trade, transportation, culture, science and technology, education, religion and other aspects. Bangkok is the "City of Angels", a city that combines Eastern and Western cultures and embraces everything. Bangkok is a bustling cosmopolitan city and a trading center for precious metals and stones. The economy accounts for 44% of Thailand's total, and the port of Bangkok is responsible for 90% of the country's foreign trade. Bangkok has a well-developed tourism industry and has been voted the world's most popular tourist city. Bangkok is one of the centers of international events, with as many as 200-300 international conferences and meetings held here every year. The city hosts the headquarters of the United Nations Economic and Social Commission for Asia and the Pacific (ESCAP), the World Bank, the World Health Organization, the International Labour Organization, and the regional offices of more than 20 international organizations. The Global Cities 500 2019 was revealed and Bangkok was ranked as the 36th city in the world. On February 15, 2022, the Thai Cabinet officially changed the English name of Bangkok from Bangkok to KrungThepMahaNakhon through a Royal Society proposal.