Maldives is 43 times larger than Phoenix Park.
Area: 298 km2 World Factbook
Population: 393,595 (July 2014) World Factbook
Maldives, officially the Republic of the Maldives and also referred to as the Maldive Islands, is an island nation in the Indian Ocean–Arabian Sea area, consisting of a double chain of twenty-six atolls, oriented north-south, that lie between Minicoy Island and the Chagos Archipelago. Wikipedia
Area: 7 km2 calculated
Phoenix Park is an urban park in Dublin, Ireland, lying 2–4 km west of the city centre, north of the River Liffey. Its 11 km perimeter wall encloses 707 hectares, one of the largest walled city parks in Europe. Wikipedia