Čitluk (Serbian Cyrillic: Читлук, listen) is a town and municipality in the Herzegovina-Neretva Canton of the Federation of Bosnia and Herzegovina, an entity of Bosnia and Herzegovina.

The area boasts the largest vineyards in the country, consisting mainly of Blatina, Žilavka, and Vranac grapes.

The municipality includes the village of Međugorje where Marian apparitions have been reported.

Other nearby places are Služanj, Potpolje, Blatnica, Čerin, Hamzići and Gornji Veliki Ograđenik. The rich soil in this area is used for growing wine-producing grapes. Many varieties grown in Brotnjo are popular throughout the world (e.g., Blatina).

15,359 total

• Croats - 15,055 (98.02%)
• Bosniaks - 183 (1.19%)
• Serbs - 64 (0.41%)
• others - 57 (0.38%)

In 1991, the municipality had a population of 14,709, of which there were

• 14,544 Croats (98.9%)
• 110 Bosniaks (0.8%)
• 19 Serbs (0.1%)
• 17 Yugoslavs (0.1%) * 19 others (0.1%)

The town of Čitluk had 4,317 residents with almost 99% of the population declaring themselves as ethnic Croats.

Municipality	Nationality						Total
	Bosniaks	%	Croats	%	Serbs	%
Čitluk	29	0.15	17,900	98.67	18	0.09	18,140

The town is home to the football club NK Brotnjo, and the basketball club HKK Brotnjo.

• Ivan Dodig, tennis player
• Marin Čilić, tennis player
• Zoran Planinić, basketball player
• Mate Bulić, singer
• Ivica Zubac, basketball player
• fra Didak Buntić, Catholic priest

Čitluk is twinned with:

• Fossò, Italy
• Križevci, Croatia
• Poggio San Marcello, Italy

• Municipality of Čitluk-official website (in Croatian)

43°12′N 17°42′E / 43.2°N 17.7°E / 43.2; 17.7