NO, Nicaragua is in Central America, outside the EU — telecom roaming is billed at high rates with your usual carrier. The Alosea Nicaragua eSIM is essential to discover colonial cities (Granada — the oldest continuously inhabited city in America, León), the volcanic island Ometepe and the surf of San Juan del Sur — important: always check French Foreign Office advisories as the political situation remains to be monitored. You connect to Claro Nicaragua or Tigo upon landing at Managua (MGA).