HJORRING, an ancient town of Denmark, in the northern insular part of the peninsula of Jutland. Pop. (1925) 11,093. It lies 7 m. inland from Jammer Bay, a stretch of coast notoriously dangerous to shipping. The church of St. Catherine dates from 1300, St. Hans from 1600 and St. Olai from 1200. Great fires have destroyed many beautiful buildings. The principal industries include textiles and engineering, the making of bricks, tiles and tobacco.