Vietnam, located in Southeast Asia on the Indochina Peninsula, is a country with its capital in Hanoi and the largest city being Ho Chi Minh City. The national flag, established in 1945 as the Democratic Republic of Vietnam, was modified after the First Indochina War to symbolize the unity of workers, farmers, intellectuals, youth, and soldiers. Vietnam shares borders with China, Laos, and Cambodia, and has a long coastline facing the sea to the east. The country has a population of around 100 million, ranking 15th globally, and its GDP per capita is relatively low at around $2,700.