ENA meaning in Regional ?

Answer:

What is Eastern North America mean?

The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface.

The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico. The parts of North America that are not in the Nearctic realm are Eastern Mexico, Southern Florida, coastal Central Florida, Central America, and the Caribbean islands, which, together with South America, are part of the Neotropical realm.

reference

Full Form	Category
Kenai (ak)	Airport Code
Education Networks of America	Community
Extended Network Addressing	Computing
Europe, North Africa	Country Specific
Entrepreneurship Network Arena	General
Ethylenediammonium And Ammonium	General
Energetic neutral atom	General
Elastic Network Adapter	General
Epistemic Network Analysis	General
Extra Neutral Alcohol	General
Emergency Nutrition Assessment	General
Eastern North Atlantic	General
Entire North America	General
Ehrenberg Niemeyer Adam	General
Elite Nature Apparel	General
Eritrean National Alliance	Governmental
Ejército Nacional Anticomunista	International
Escuela Nacional de Aeronáutica	International
Escuela Nacional de Agricultura	International
Extractable Nuclear Antigens	Medical
Emergency Nurses Association	Medical
Extractable Nuclear Antigen	Medical
Ethernet Network Analysis	Networking
Ecn Notify Acknowledgment	Networking
Kenai, Alaska USA	Regional
Eastern North America	Regional
European Nucleotide Archive	Regional
Eastern Non African	Regional
European Network Architecture	Regional
European Nurserystock Association	Regional
European NORM Association	Regional
Enable	Space Science