It wasnarrated from Ibn 'Umar that the Messenger of Allah (ﷺ)forbadetraveling with the Qur'an to the land of the enemy, lest theenemygets hold of it. (ES)
English reference (ES): Vol. 4, Book 24, Hadith 2879 (ES)
Arabic reference (ES): Book 24, Hadith 2989 (ES)