Raj Rajeshwari Devi Mandir is a Hindu temple located in Mahammadpur Kazi, Mithanpura, Muzaffarpur, Bihar. The temple is dedicated to Maa Raj Rajeshwari and is regarded as an important local place of worship. Devotees visit the temple to offer prayers, perform puja, seek blessings, and participate in religious activities. The temple is especially associated with devotion to the Divine Mother, and Navratri is an important period for worship and gatherings. Local information describes the temple as a significant religious place in Muzaffarpur, with devotees visiting throughout the year. The temple provides a spiritual environment where devotees can pray and participate in traditional Hindu rituals.