The flag of the Croatian Republic of Herzeg-Bosnia consists of three equal size, horizontal stripes in the pan-Slavic

Pan-Slavism

Pan-Slavism was a movement in the mid-19th century aimed at unity of all the Slavic peoples. The main focus was in the Balkans where the South Slavs had been ruled for centuries by other empires, Byzantine Empire, Austria-Hungary, the Ottoman Empire, and Venice...

 colours: red

Red

Red is any of a number of similar colors evoked by light consisting predominantly of the longest wavelengths of light discernible by the human eye, in the wavelength range of roughly 630–740 nm. Longer wavelengths than this are called infrared , and cannot be seen by the naked eye...

, white

White

White is a color, the perception of which is evoked by light that stimulates all three types of color sensitive cone cells in the human eye in nearly equal amounts and with high brightness compared to the surroundings. A white visual stimulation will be void of hue and grayness.White light can be...

 and blue

Blue

Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal...

. In the middle is the Coat of Arms of Croatia

Coat of arms of Croatia

The coat of arms of Croatia consists of one main shield and five smaller shields which form a crown over the main shield. The main coat of arms is a checkerboard that consists of 13 red and 12 silver fields. It's commonly known as šahovnica or grb...

 stylized with a triple wattle at the top. This pattern is a popular one in Croatia

Croatia

Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

n art.

The flag was adopted by the short-lived Croatian Republic of Herzeg-Bosnia

Croatian Republic of Herzeg-Bosnia

The Croatian Republic of Herzeg-Bosnia was an unrecognised entity in Bosnia and Herzegovina that existed between 1991 and 1994 during the Bosnian war. It was proclaimed on November 18, 1991 under the name Croatian Community of Herzeg-Bosnia, and claimed to be a separate or distinct "political,...

 in the early 1990s. Since the state's reincorporation into Bosnia and Herzegovina

Bosnia and Herzegovina

Bosnia and Herzegovina , sometimes called Bosnia-Herzegovina or simply Bosnia, is a country in Southern Europe, on the Balkan Peninsula. Bordered by Croatia to the north, west and south, Serbia to the east, and Montenegro to the southeast, Bosnia and Herzegovina is almost landlocked, except for the...

, the flag has come to represent all Croats in the nation. It is more favoured by the country's Croats than the official state flag

Flag of Bosnia and Herzegovina

The flag of Bosnia and Herzegovina contains a wide medium blue vertical band on the fly side with a yellow isosceles triangle abutting the band and the top of the flag...

.