Munster and Ulster are two of the four provinces of, for 10 points, what island including Belfast  and Dublin, called the Emerald Isle?
To the northwest of this Island is the smaller island of Achill. This island's Siur, Nore and  Barrow Rivers constitute its Three Sisters and its largest city lies on the River Liffey. This  island's highest mountain is Carruntoohil and it is bisected by the River Shannon. The Lough  Neagh is a large lake in this island's northeast, and its second most populous city is Cork.  Munster and Ulster are two of the four provinces of, for 10 points, what island including Belfast  and Dublin, called the Emerald Isle?
To the northwest of this Island is the smaller island of Achill.
Ireland [accept Eire]