One of the four provinces of Ireland is Leinster, which is located in the east of the country. It is bordered by the Irish Sea to the east and south, and by the other three provinces of Connacht, Munster, and Ulster to the west and north. Leinster is the second largest province in Ireland and is home to the capital city of Dublin. It is also the most populous province, with over 2.9 million people living there. Leinster is known for its rich cultural heritage, with many historical sites and monuments scattered throughout the region.