or Herwarden, a free and imperial town of Germany, in the circle of Westphalia, and capital of the county of Ravensberg. Here is a famous nunnery belonging to the Protestants of the confession of Augsburg, whose abbess is a princess of the empire, and has a voice and place in the diet. It is seated on the river Aa. E. Long. 8. 25. N. Lat. 52. 12.