The established Sunnah of the Prophet ﷺ, his virtuous Companions is to pray ‘Eid Ṣalāh in a “musallah” i.e. an outdoor area, and not inside the Masjid.
The established Sunnah of the Prophet ﷺ, his virtuous Companions is to pray ‘Eid Ṣalāh in a “musallah” i.e. an outdoor area, and not inside the Masjid.