- Ireland has a population of over 4.6 million people, with Dublin as its capital city. The official languages are Irish (Gaelic) and English. - Dublin takes its name from the Gaelic words for "black pool" where two rivers meet. The modern Irish name means "town of the ford of the hurdles". - Life in Dublin is relaxed with a lack of strict rules. Parks make up over 3,500 acres of the city, providing green space for recreation despite the large population.