Claim: Zürcher Unterländer has a leading position in the districts of Bülach and Dielsdorf, previously named Bezirk Regensberg, and is the official publication media for the these municipalities.
Evidence: Founded in 1852, the newspaper has a leading position in the districts of Bülach and Dielsdorf. Previously the district was named Bezirk Regensberg, and its capital was Regensdorf, the only city in the district. Zürcher Unterländer is the official publication media for the municipalities in the districts of Bülach and Dielsdorf.