Ireland has a population of around 6 million people. Dublin is the capital city located on the island of Ireland, which has a total area of 70,280 square kilometers. The predominant languages are English and Gaelic, and most residents are Roman Catholic. Ireland has been a member of the European Union since 1973 and uses the Euro as currency. The landscape consists of low central plains surrounded by coastal mountains, with the highest peak reaching 1,038 meters. The climate is mild and temperate due to Atlantic winds, avoiding temperature extremes found in other regions at similar latitudes.