Sufyan b. Abd Zuhair reported Allah's Messenger (ﷺ) as saying: Syria will be conquered and some people will go out of Medina along with their families driving their camels. and Medina is better for them if they were to know it. Then Yemen will be conquered and some people will go out of Medina along with their families driving their camels, and Medina is better for them if they were to know it. Then Iraq will be conquered and some people will go out of it along with their families driving their camels, and Medina is better for them if they were to know it.
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، عَنْ سُفْيَانَ بْنِ أَبِي زُهَيْرٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " يُفْتَحُ الشَّامُ فَيَخْرُجُ مِنَ الْمَدِينَةِ قَوْمٌ بِأَهْلِيهِمْ يَبُسُّونَ وَالْمَدِينَةُ خَيْرٌ لَهُمْ لَوْ كَانُوا يَعْلَمُونَ ثُمَّ يُفْتَحُ الْيَمَنُ فَيَخْرُجُ مِنَ الْمَدِينَةِ قَوْمٌ بِأَهْلِيهِمْ يَبُسُّونَ وَالْمَدِينَةُ خَيْرٌ لَهُمْ لَوْ كَانُوا يَعْلَمُونَ ثُمَّ يُفْتَحُ الْعِرَاقُ فَيَخْرُجُ مِنَ الْمَدِينَةِ قَوْمٌ بِأَهْلِيهِمْ يَبُسُّونَ وَالْمَدِينَةُ خَيْرٌ لَهُمْ لَوْ كَانُوا يَعْلَمُونَ " .
sunnah.com