NO, Guyana (English-speaking, not to be confused with French Guiana department) is in South America, outside the EU — telecom roaming is billed at high rates with your usual carrier. The Alosea Guyana eSIM is essential for Kaieteur falls (one of the world's most powerful falls — 226 m free fall in the jungle), Iwokrama park (primary forest, jaguars) or the Rupununi savannas. You connect to Digicel Guyana or GTT upon landing at Georgetown Cheddi Jagan (GEO).