ARENSWALDE, a circle in the government of Frankfurt, and province of Pomerania, in Prussia. Its extent is 472 square miles, or 302,080 acres, and the population amounted in 1817 to 20,705 persons. It has a number of small lakes, which yield good fish. The corn land produces some rye, and the inhabitants are also employed in rearing and feeding cattle; but their means of subsistence is chiefly derived from the extensive woods with which it abounds.