Cavan is an agricultural inland county of the Republic of Ireland in the province of Ulster.

Covering an area of 730 square miles with a population of just over 55,000, Cavan is divided by the River Erne in Two quite distinctive halves. To the West the county is a narrow, mostly low-lying peninsula and to the East the landscape is one of wild and bare hill country. The soil on the eastern side is generally poor and the climate moist and cold.

The chief towns are Cavan, with a population of just over 3,000, Kilmore, seat of Roman Catholic and Protestant Bishoprics, and Virginia.