TAV meaning in Regional ?

Answer:

What is Tau, American Samoa mean?

Taʻū is the largest island in the Manuʻa Group and the easternmost volcanic island of the Samoan Islands. Taʻū is part of American Samoa. In the early 19th century, the island was sometimes called Opoun.

Taʻū is well known as the site where the American anthropologist Margaret Mead conducted her dissertation research in Samoa in the 1920s, after which she published her findings in a work titled Coming of Age in Samoa. Ta’u also has the highest mountain in American Samoa, Mount Lata, as well as 21 square kilometers (8.3 sq mi) of National Park lands, and 3.9 km2 (1.5 sq mi) of waters separated by some of the tallest sea cliffs in the world.

On the western coast of Taʻū are the conterminous villages of Lumā and Siufaga, usually referred to jointly as Taʻū village. The village of Taʻū has been named the capital of the Manu'a Islands. Fitiuta is another Taʻū village, located on the northeast side of the island.

reference

Full Form	Category
Tau	Airport Code
Travel Authorization Voucher	Community
Treasurers' Association of Virginia	Community
Total Assessed Value	General
Teaching at Vanderbilt	General
Testing Analysis and Verification	General
tal Asset Visibility	General
Tren de Alta Velocidad	General
Treno Alta Velocità	General
Triple Aim Values	General
Technical Assistance Visit	General
treni alta velocità—high	General
Tidal Assist Ventilator	General
Temperature Actuated Vacuum	General
Tactical Armoured Vehicle	General
Temporal Abstraction And Visualization	General
Typical Announcers Voice	General
Tuned Aperiodic Vent	General
Tepe Akfen Vie	General
Travel Authorizations and Vouchers	Governmental
Tactical Application Vehicles	Governmental
Tire Assault Vehicle	Governmental
Together Against Violence	Governmental
TALALA JN	Indian Railway Station
Total Asset Visibility	Military and Defence
Tau, American Samoa	Regional
Tigr Array Viewer	Softwares
Trans Atmospheric Vehicle	Space Science
Texas Advantage Volleyball	Sports
The Adrenaline Vault	Sports
Talala Junction	Transport & Travel