[{SlideShowNav}] !!!Leinster House, Dublin [{Image src='160ei.jpg' width='634' height='470' alt='Leinster House, Dublin' class='image_left' popup='false'}] [{SET customtitle='Leinster House, Dublin'}] \\ Leinster House in Dublin was built by the Duke of Leinster in 1745. The building now houses the Irish bicameral Parliament - the Seanad Eireann (Senate) and the Dail Eireann (House of Representatives).