Republika Srpska ; also known as Republic of Srpska) is one of the two entities composing Bosnia and Herzegovina, the other being the Federation of Bosnia and Herzegovina. It is located in the north and east of the country. Its largest city and administrative centre is Banja Luka, lying on the Vrbas river, and with a population of about 138,963 people.
Banja Luka or Banjaluka is the second largest city in Bosnia and Herzegovina and the largest city of Republika Srpska. It is also the de facto capital of this entity. Banja Luka is the traditional centre of the densely-forested Bosanska Krajina region of northwestern Bosnia. According to the 2013 census, the city proper has a population of 138,963, while its administrative area comprises a total of 185,042 inhabitants.
Fudbalski klub Borac Banja Luka is a Bosnian professional association football club, based in the city of Banja Luka, Bosnia and Herzegovina, and is the major part of the Borac Banja Luka Sports Society. Borac Banja Luka is one of the most popular football clubs in Bosnia and Herzegovina. The name Borac means "Fighter".
Banja Luka International Airport, also known as Mahovljani Airport, after the nearby village of the same name, is an airport located 18 km (11 mi) north northeast of the railway station in the city of Banja Luka, the second largest city in Bosnia and Herzegovina. The airport is managed by the government-owned company "Aerodromi Republike Srpske".
The University of Banja Luka is the second-oldest university in Bosnia and Herzegovina. A public university, it is the flagship institution of higher education in Republika Srpska, one of two entities of Bosnia and Herzegovina. As of 2018–19 school year, there are 11,186 enrolled students.
The Banja Luka Challenger is a tennis tournament held each September in Banja Luka, Bosnia and Herzegovina since 2002. The event is part of the ATP Challenger Tour and is played on outdoor clay courts.
The Serbia Open was a professional tennis tournament, part of the ATP 250 series and the ATP Tour. Held in Belgrade, Serbia and played on outdoor clay courts, the event was held for the first time in 2009. It was the first for Serbia, as the country had never before hosted an Association of Tennis Professionals tournament. The tournament was held as a combined men's and women's event in 2021. This marked the first time in history a WTA tournament was held in Serbia. The last edition was played in 2022, after which the tournament was moved to Banja Luka, Bosnia and Herzegovina and rebranded as Srpska Open.
The 2010 Banja Luka Challenger was a professional tennis tournament played on outdoor red clay courts. It was the ninth edition of the tournament which was part of the 2010 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina between 13 and 21 September 2010.
The 2011 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the tenth edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina between 12 and 18 September 2011.
The 2012 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina between 10 and 16 September 2012.
The 2013 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the twelfth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 7 to 15 September 2013.
The 2014 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the thirteenth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 8 to 14 September 2014.
Rugby league is played in Bosnia and Herzegovina, which now has over 1000 registered players nationwide, many of which are juniors. These numbers are rapidly increasing each year.
The Archives of Republika Srpska is an administrative organisation within the Ministry of Education and Culture of Republika Srpska, one of two constituent entities of Bosnia and Herzegovina. The Archives' headquarters is in Banja Luka, and it has its regional offices in Doboj, Zvornik, Foča, Sokolac, and Trebinje. Its aim is to collect, store, preserve, organise, research, and provide access to archival materials on the territory of Republika Srpska, where it is designated as a central institution for the protection of cultural heritage. The Archives is also involved in research projects, exhibitions, and in the publishing of books and scholarly papers, mostly in the fields of archival science, history, and law. It is organised into two sectors, which are responsible for the protection of archival materials within and outside the Archives, respectively. The Archives currently holds 794 fonds and 35 collections, which span the period from the 17th century to the modern day.
Belgrade–Banja Luka is a road bicycle race held annually since 2007 in Serbia and Bosnia and Herzegovina respectively. Until 2017, it is made up of two one-day races: Belgrade–Banja Luka I and Belgrade–Banja Luka II, which were both organized as category 1.2 events on the UCI Europe Tour. Since 2018 it has been held as one stage race, as a category 2.1 event from 2018 to 2022 and 2.2 since 2023.
The 2018 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the seventeenth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 10 to 16 September 2018.
The 2019 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the eighteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 9 to 15 September 2019.
The 2021 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the nineteenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 6 to 12 September 2021.
The 2022 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the 20th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina from 22 to 28 August 2022.
The 2023 Srpska Open was a men's tennis tournament played on outdoor clay courts. It was the first edition of the event and part of the ATP Tour 250 series on the ATP Tour. It took place from 17 to 23 April 2023 at the National tennis complex in Banja Luka, Bosnia and Herzegovina.
Dušan Lajović 
Jamie Murray / 
Michael Venus 
