paragraph_text: Bugarska gora (latinski: Silvas Bulgarorum) ili Velika bugarska gora (latinski: Silva Magna Bulgarica) povijesno je šumsko područje koje se proteže od Niša<ref>[https://books.google.bg/books?id=5nu2AAAAIAAJ&q=Силва+Магна+Булгарика&dq=Силва+Магна+Булгарика&hl=en&sa=X&ved=0ahUKEwjW9e2YzKXSAhUFuhQKHQ8IAHQQ6AEIOTAF Bŭlgaria: kratka geografia, Authors: Liubomir Antonov Dinev, Kiril Ivanov Mishev, Edition 3, Publisher Nauka i izkustvo, 1980, str. 145.]<ref><ref>Razvitie na estestvoznanieto i meditsinata v nashite zemi, Author Tsvetan Kristanov, Izd-vo na Bŭlgarskata akademiia na naukite, 1966, [https://books.google.bg/books?id=7bMnAAAAMAAJ&q=Силва+Магна+Булгарика&dq=Силва+Магна+Булгарика&hl=en&sa=X&ved=0ahUKEwjpwcK9yqXSAhUBkBQKHUBqCPEQ6AEIMTAEstr. 19].