Jezero is a village and a municipality located in western Republika Srpska, an entity of Bosnia and Herzegovina. As of 2013, it has a population of 1,131 inhabitants, while the village of Jezero has a population of 1144, while the town of Jezero has a population of 702 inhabitants.
Geography
Physical geography
The Jezero municipality consists of hills, mountains and basins. The altitude is between 432 and 1267 meters, the highest mountains in the municipality are Gorica and Sinjakovo. The rivers that flow through the Jezero municipality are Pliva and Jošavka as well as their tributaries. The Jezero town is situated on location where the Pliva river enters Veliko Plivsko Lake.
Political geography
The Jezero municipality is located in the northeastern part of Republika Srpska. It borders the municipalities of Mrkonjić Grad, Jajce and Šipovo. The Jezero municipality is one of the smaller municipalities of Republika Srpska, with an area of 55,6 km2 and makes up 0,23% of the total territory of the Republic of Srpska.
Jezero has had a long history. It is supposed that there had been a settlement at that area even in the Illyrian period and, according to traditional stories, as the Illyrian queen Teuta had ordered, the channel was dug so that the Illyrian fortress was established on the river island where the large part of settlement is still located. Roads passed through Jezero in Roman period and in the Middle Ages. The fortress on the river island was conquered by the Ottoman military during their conquest of Bosnia in 1463.
The municipality of Jezero has significant water potential. Those potentials can be used for the development of tourism and hydro potential, ecology and protection of healthy environment. The municipality Jezero is located on the river Pliva, halfway between Jajce and Šipovo at an altitude of 430 m. What is specific for Jezero is that it is located exactly on the confluence of the river Pliva with Great Pliva Lake, surrounded with beautiful mountain range. Except Pliva Lake, there are two more lakes nearby, those are Veliki Đol and Mali Đol, places remarkably famous among the fishermen. Besides, Jezero has excellent conditions for paragliding, mountaineering and mountain-biking.
In 2007, following the discovery of ancient crater-lake on planet Mars, the feature was named Jezero, after this town in Bosnia and Herzegovina, which is country's one of several eponymous towns and villages. In November 2018, it was announced that Jezero crater had been chosen as the landing site for the planned Mars 2020 rover mission.
