Rhein-Main may refer to:
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Frankfurt Rhine-Main
The Rhine-Main Metropolitan Region, often simply referred to as Frankfurt Rhine-Main, Frankfurt Rhine-Main area or Rhine-Main area (German: ''Rhein-Main-Gebiet'' or ''Frankfurt/Rhein-Main'', abbreviated FRM), is the second-largest metropolitan re ...
, a metropolitan area in central Germany
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Rhein-Main Air Base
Rhein-Main Air Base (located at ) was a United States Air Force air base near the city of Frankfurt am Main, Germany. It was a Military Airlift Command (MAC) and United States Air Forces in Europe (USAFE) installation, occupying the south side of ...
, a former U.S. air base
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Rhein-Main-Flughafen
Frankfurt Airport (; german: link=no, Flughafen Frankfurt Main , also known as ''Rhein-Main-Flughafen'') is a major international airport located in Frankfurt, the fifth-largest city of Germany and one of the world's leading financial centres. ...
or Frankfurt Airport
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