Is Filiale der, die or das?

The correct German article for Filiale is die. The noun Filiale is Feminine. So you always say: die Filiale. Learn the article together with the noun — German nouns don't follow predictable gender rules most of the time.

The plural of Filiale is: die Filialen. In the plural, every German noun takes the article "die". So: die Filialen. Example: ein Filiale → zwei Filialen.

Correct: die Filialen. The form "die Filiales" is wrong. The plural of die Filiale is die Filialen. In the nominative plural, you always use the article "die".

die Filiale follows the four German cases. Nominative: die Filiale, Accusative: die Filiale, Dative: der Filiale, Genitive: der Filiale. In plural: die Filialen / den Filialen. Learn these forms together with the noun.

The genitive singular of die Filiale is: der Filiale. The genitive plural is der Filialen. German uses the genitive to express possession or belonging. Example: die Farbe der Filiale.

The dative plural of Filiale is: den Filialen. In German, dative plural nouns usually end in "-n". So you say: "mit den Filialen". Use this case after prepositions like mit, von, bei, zu.

Filiale ends in -e. German nouns with this ending are almost always feminine. Nouns ending in -e are often feminine (die), especially two-syllable words. That's why the article for Filiale is die.

Filiale is a noun and must be capitalized in German. You'll find example sentences above for each case. The article die stays the same in nominative singular but changes in other cases. Practice declension in your own sentences.

Yes, Filiale is a noun (also called a substantive). German nouns are always capitalized. The article for Filiale is die. Every German noun has a fixed article you must memorize.