Where in the world?
The flag of Malaysia has 14 horizontal stripes of red and white, with a blue canton containing a yellow crescent and a 14-point star.

Malaysia

Population: 32,365,998

Region: Asia

Subregion: South-Eastern Asia

Capital: Kuala Lumpur

Top Level Domain: .my

Currencies: Malaysian ringgit

Border countries

The flag of Brunei Darussalam has a yellow field with two diagonal bands of white and black and a red crest in the center.

Brunei Darussalam

Population: 437,483

Region: Asia

Capital: Bandar Seri Begawan
The flag of Indonesia has two horizontal stripes of red and white.

Indonesia

Population: 273,523,621

Region: Asia

Capital: Jakarta
The flag of Thailand has five horizontal stripes of red, white, blue, white, and red with the blue stripe being twice as wide as the other stripes.

Thailand

Population: 69,799,978

Region: Asia

Capital: Bangkok