Bandar Seri Begawan is the capital of which country?

Baku is the capital of which country? Manama is the capital of which country? Dhaka is the capital of which country? Thimphu is the capital of which country? Phnom Penh is the capital of which country? Beijing is the capital of which country? Tbilisi is the capital of which country? New Delhi is the capital of which country?