The mosque houses the sacred relics of Eyüp Sultan, a companion of Prophet Muhammad. These relics include his cloak, sword, and other personal belongings, making it a significant pilgrimage site for Muslims.

The mosque holds historical significance as it is built near the tomb of Eyüp Sultan, considered one of the holiest sites in Islam. Eyüp Sultan is believed to have died during the Arab siege of Constantinople in the 7th century.

The mosque offers a serene and spiritual atmosphere for worshipers and visitors alike. People come to pray, seek blessings, and find solace in the peaceful surroundings.

Eyüp Sultan Mosque holds cultural significance beyond its religious importance. It has been a gathering place for centuries, hosting events, festivals, and celebrations that reflect the traditions and customs of Istanbul.