Join 健康与福祉 upcoming events being held in Ulster. Ulster is one of the four historic provinces of Ireland, encompassing the modern Irish counties of Cavan, Donegal, and Monaghan, as well as the six counties of Northern Ireland - Antrim, Armagh, Down, Derry/Londonderry, Fermanagh, and Tyrone, offering a rich blend of cultural and historical experiences, breathtaking landscapes, and vibrant cities.