Lesnik was a fortified town in medieval Serbia (Rascia

Rascia

Rascia was a medieval region that served as the principal province of the Serbian realm. It was an administrative division under the direct rule of the monarch and sometimes as an appanage. The term has been used to refer to various Serbian states throughout the Middle Ages...

), registered by Byzantine Emperor Constantine Porphyrogenitus, under the rule of Časlav Klonimirović

Caslav Klonimirovic

Časlav Klonimirović or Časlav of Serbia was Prince of the Serbs from ca. 927 until his death in 960. He significantly expanded the Serbian Principality when he managed to unite several Slavic tribes, stretching his realm over the shores of the Adriatic Sea, the Sava river and the Morava valley...

.

Serbia consisted of the following fortifications (καστρα, 'castle'): Destinikon (Δεστινίκον), Černavusk (Τςερναωουσκεή), Međurečje (Μεγυρέτονς), Dresneik (Δρεσνεηκ), Lesnik (Λεσνηκ), Salines (Σαληνέζ), in the Zhupa of Bosnia (Βοσνωνα): Katera (Κατερα) and Desnik (Δέσνηκ)."De Administrando Imperio

De Administrando Imperio

De Administrando Imperio is the Latin title of a Greek work written by the 10th-century Eastern Roman Emperor Constantine VII. The Greek title of the work is...

 by Constantine VII

Constantine VII

Constantine VII Porphyrogennetos or Porphyrogenitus, "the Purple-born" was the fourth Emperor of the Macedonian dynasty of the Byzantine Empire, reigning from 913 to 959...

The location is unknown, but has been connected with:

• The toponym Lješnica
  • in Derventa
    Derventa
    Derventa is the name of a town and municipality of Bosnia and Herzegovina in the northern part of Republika Srpska just northwest of the town of Doboj, in the Posavina region...
    
    ,
  • in Tuzla
    Tuzla
    Tuzla is a city and municipality in Bosnia and Herzegovina. At the time of the 1991 census, it had 83,770 inhabitants, while the municipality 131,318. Taking the influx of refugees into account, the city is currently estimated to have 174,558 inhabitants...
    
    ,
  • in Kučevo
    Kucevo
    Kučevo is a town and municipality located in the Braničevo District of Serbia. In 2011, the population of the town is 3,950, while population of the municipality is 15,490....
    
    ,
• The toponym Lešnica
  • in Loznica,
  • in Podujevo
    Podujevo
    Podujevo or Podujeva is a town and municipality located in the district of Pristina of north-eastern Kosovo.Podujevo is situated in a strategic position due to a regional motorway and railroad passing through it which links surrounding regions. Pristina, the capital of Kosovo, is located some to...
    
    , Kosovo
    Kosovo
    Kosovo is a region in southeastern Europe. Part of the Ottoman Empire for more than five centuries, later the Autonomous Province of Kosovo and Metohija within Serbia...
    
    
• The toponym Lesnica
  • in Trgovište
    Trgovište
    Trgovište is a small town and municipality located in the Pčinja District of Serbia. According to 2011 census, the population of the town is 1,785, while population of the municipality is 5,145.-Municipality:...
    
    ,