NO, Chad is in Sahelian Central Africa, outside the EU — telecom roaming is billed at high rates with your usual carrier. The Alosea Chad eSIM is essential for French expats (major military and NGO presence) or travelers to Ennedi (UNESCO, one of the planet's desert wonders) — always check French Foreign Office advisories. You connect to Airtel Tchad or Moov Africa upon landing at N'Djamena (NDJ).