REGENSBERG, a handsome, though small town of Switzerland, in the canton of Zurich, and capital of a bailiwick of the same name, with a strong castle; seated on a hill which is part of Mount Jura. There is a well sunk through a rock, 36 fathoms deep.

REGGIO, an ancient and considerable town of Italy, in the kingdom of Naples, and in the farther Calabria, with an archbishop's see, and a woollen manufacture. It is seated in a country which produces plenty of dates, on the freight or pharos of Messina, and is a large populous place. E. Long. 16. 3. N. Lat. 38. 6.

REGGIO, an ancient, handsome, and strong town of Italy, in the duchy of Modena, with a strong citadel, and a bishop's see. It has been ruined several times by the Goths and other nations. In the cathedral are paintings by the greatest masters; and in the square the statue of Brennus, chief of the Gauls. The inhabitants are about 22,000, who carry on a great trade in silk. It was taken by prince Eugene in 1766, and by the king of Sardinia in 1742. It is seated in a fertile country to the south of the Appennines, and to the north of a spacious plain, 15 miles north-west of Modena, and 83 south-east of Milan. E. Long. 10. 37. N. Lat. 44. 43. The duchy of this name is bounded on the west by that of Modena, and produces a great deal of silk; and belongs to the duke of Modena, except the marquise of St Martin, which belongs to a prince of that name.