This is the 8212th most frequent German word.
islamischer
"Islamischer" means "Islamic" in English, relating to Islam.
The word 'islamische' is used here as an adjective describing the type of cultural festival, indicating its association with Islamic culture.
Das islamische Kulturfest findet jedes Jahr statt.
The Islamic cultural festival takes place every year.
In this sentence, 'islamischen' is an adjective modifying the noun 'Prinzipien', specifying the principles as those derived from Islamic teachings.
Die islamischen Prinzipien fördern Frieden und Gemeinschaft.
The Islamic principles promote peace and community.
Here, 'islamisches' is an adjective characterizing the type of studies conducted at the center, implying a focus on Islamic topics or teachings.