Čapljina (Cyrillic: Чапљина, pronounced [t͡ʃâpʎina]) is a city located in Herzegovina-Neretva Canton of the Federation of Bosnia and Herzegovina, an entity of Bosnia and Herzegovina. It is located on the border with Croatia a mere 20 kilometres (12 mi) from the Adriatic Sea.
The river Neretva flows through the city and flows into the Adriatic just over the border. The town's landmark is a statue of King Tomislav. The Church of Saint Francis of Assisi is also a prominent facet of the city. The city coat of arms contains the Croatian checkerboard, the nearby tower in Počitelj, and Saint Francis of Assisi.