Singapore and Brunei
They are bordering countries in SE Asia.
The mekong river located through 6 countries of se Asia
49 countries in totalAfghanistanArmeniaAzerbaijanBahrainBangladeshBhutanBruneiBurma (Myanmar)CambodiaChinaGeorgiaHong KongIndiaIndonesiaIranIraqIsraelJapanJordanKazakstanKorea, NorthKorea, SouthKuwaitKyrgyzstanLaosLebanonMalaysiaMaldivesMongoliaMyanmarNepalOmanPakistanPhilippinesQatarRussiaSaudi ArabiaSingaporeSri LankaSyriaTaiwanTajikistanThailandTurkeyTurkmenistanUnited Arab EmiratesUzbekistanVietnamYemenmussa se culio a Laura roa
In Southeast Asia: Majorities live in cities of the countries of Indonesia and Malaysia, In East Asia, there live in the cities of China and Japan. Cited 2 big countries of the regions only. They are the biggest.
SE Asia.
Vietnam is geographically on the borderline of east asia and se asia. Vietnam is the only country in se asia that can also be categorically part of east asia. Vietnam's people and culture is east asian, but geographically located in the borderline of se asia/east asia.
#1 Jordan is not in SE Asia, moron
Thailand is in South East Asia, or SE Asia
Singapore.
Vietnam in SE Asia
Asia is a continent made up of many countries, and it does not have a capital per-se.