Mostar is a city and municipality in Bosnia and Herzegovina, the largest and one of the most important cities in the Herzegovina region and the center of the Herzegovina-Neretva Canton of the Federation. Mostar is situated on the Neretva river and is the fifth-largest city in the country. Mostar was named after the bridge keepers (natively:mostari) who in the medieval times guarded the Stari Most (Old Bridge) over Neretvariver. The Old Bridge, built by the Ottomans in the 16th century, is one of the city's most recognizable landmarks.
Mostar, and Herzegovina area in general, have more affinity to the Croatian region of Dalmatia, which can be oppressively hot during the summer. In Mostar, situated along the Neretva River, the coldest month is January, averaging about 42 °F (6 °C), and the warmest month is July, averaging about 78 °F (26 °C). Mostar experiences a relatively dry season from June to September. The remainder of the year is wet and mild
