411 REFERENCE · Wiktionary
Abtlg.
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
German
Noun
de noun f
de Abteilung
Usage notes
For the plural, Abteilungen, the abbreviation de Abtlgn. is sometimes used.
Further reading
Anja Steinhauer, Duden - Das Wörterbuch der Abkürzungen