What part of speech is "BVG"?

"BVG" is a proper noun in German.

PROPER NOUN

BVGBerlin public transport authority; Berlin Transport Company

BVG is a German proper noun that means Berlin public transport authority or Berlin Transport Company.

1.the main public transport operator in Berlin (Berliner Verkehrsbetriebe)(transport; Berlin)

a.organization that runs most buses, trams, and the U-Bahn in Berlin

Ich fahre jeden Tag mit der BVG zur Arbeit.—I take the BVG to work every day.

b.use of 'BVG' as a shorthand or in tickets/signage

Die BVG informiert über Fahrplanänderungen.—The BVG provides information about timetable changes.

Gender	feminine (usually die BVG)

What does "BVG" mean in English?: "BVG" means Berlin public transport authority or Berlin Transport Company. It is a German proper noun.
What part of speech is "BVG"?: "BVG" is a proper noun in German.