Indochina PeninsulaYesSoutheast AsiaAn area ofVietnam、CambodiawithLaosBeforeFranceColony, inIndochina WarThe previous colonial period is collectively referred to asFrench Indochina. However, it is sometimes considered to also includeThailand, But Thailand was never colonized,MyanmarIt is a former British colony. The two have many cultural similarities with the other three countries, including Buddhism as the main religion and the relatively large use of fish sauce in local cuisine.MalaysiaThe peninsula is sometimes included, but to a very small extent, because Malaysia does not have the same cultural similarities as the other five countries.