Botev Plovdiv ( Bulgarian : Ботев Пловдив , pronounced [ˈbɔtɛf ˈpɫɔvdif] ) is a Bulgarian professional football club based in Plovdiv , which competes in the Parva Liga , the top tier of Bulgarian football. Founded on 11 March 1912, [ 2 ] it is the oldest active football club in Bulgaria [ 3 ] and is widely regarded as one of the country’s historically significant clubs.