Why is it der Grazer?

Grazer ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] inhabitants of the city of Graz

[1] Einwohner der Stadt Graz

Examples

[1] My doctoral father is a native of Graz

[1] Mein Doktorvater ist ein gebürtiger Grazer.

Declension

1 Singular Plural
Nominativ der Grazer die Grazer
Genitiv des Grazers der Grazer
Dativ dem Grazer den Grazern
Akkusativ den Grazer die Grazer

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary