Mainland Southeast Asia is a name that can be given to the Indochinese peninsula or Indochina in Southeast Asia. Nations in this region include:

• Myanmar, formerly known as Burma
• Thailand
• Laos
• Cambodia
• Vietnam
• Malaysia, partially located on the peninsula

The French Indochina included the nations of Laos, Cambodia and Vietnam.

The main religion in this region is Theravada or Hinayana Buddhism. Mahayana Buddhism is predominant in Vietnam, while Malaysia is a multi-religious nation, with Islam as the main religion.

For more information on Southeast Asia:

• Southeast Asia
• Indochina
• Malay Peninsula
• Maritime Southeast Asia
• East Indies