Kursī is the place of the Two Feet

ibn ʿAbbās رضي الله عنه said:

مَوْضِعُ الْقَدَمَيْنِ، وَلَا يُقْدَرُ قَدْرَ عَرْشِهِ

The Kursī is the place of the Two Feet, and as for the ʿArsh, no one has the ability to give it’s immenseness.

Dalīl: al-Mustadrak ʿalá aṣ-Ṣaḥīḥayn 2/282, ar-Rād ʿalá Bishr al-Mirisī P. 71, Kitāb at-Tawḥīd #155, Tafsīr aṭ-Ṭabarī 3/10, al-Muʾjam al-Kabīr #12404, al-Asmā’ wa aṣ-Ṣifāt P. 354, Tārīkh Baghdād 9/251-252, Kitāb as-Sunnah #301, Mukhtaṣar al-ʿUlū #45, Majmaʾ az-Zawāʾid 6/333, Kitāb as-Sunnah (ʿAbdullāh ibn Aḥmad) P. 71

Ḥukm: Ṣaḥīḥ Isnād (OC) | Ṣaḥīḥ Isnād to Imām al-Ḥākim an-Nishāpurī, Imām adh-Dhahabī, Shaykh al-Albānī, and others