Ireland is an island country located in northwestern Europe with a population of around 3.8 million people. Its capital and largest city is Dublin. Ireland has a temperate climate influenced by the Atlantic Ocean, with warm, humid summers and mild winters. Some of Ireland's most notable landmarks include Newgrange passage tomb, Kilkenny Castle, and Dunluce Castle. Irish culture is reflected in traditions like celebrating St. Patrick's Day and customs such as greeting with handshakes. Popular Irish music includes Celtic folk played on instruments like the harp. Traditional Irish cuisine features dishes like Irish stew and breakfast foods like bacon and cabbage.