claim: Yemen comes after one other country in terms of size on the Arabian peninsula.
evidence: Muhammad ibn Abdallah ibn Muhriz was a ninth century governor of the Yemen for the Abbasid Caliphate .. Yemen. Yemen. Abbasid Caliphate. Abbasid Caliphate. A mawla of the caliph al-Ma ` mun -LRB- r. 813 -- 833 -RRB- , Muhammad was appointed governor in ca. 823 .. mawla. mawla. Upon his arrival in the province he remained in the chief town of Sana'a , while sending his son to act as his deputy in al-Janad .. Sana'a. Sana'a. al-Janad. al-Janad. Shortly afterwards , however , the inhabitants of al-Janad revolted against his son , and Muhammad decided that his position was too weak to maintain .. al-Janad. al-Janad. He therefore set out for the Hijaz and left the Yemen in the hands of the local chief Abbad ibn al-Ghamr al-Shihabi , who remained in control until the arrival of the next governor Ishaq ibn al-Abbas ibn Muhammad al-Hashimi .. Yemen. Yemen. Hijaz. Hejaz. Abbad ibn al-Ghamr al-Shihabi. Abbad ibn al-Ghamr al-Shihabi. Ishaq ibn al-Abbas ibn Muhammad al-Hashimi. Ishaq ibn al-Abbas ibn Muhammad al-Hashimi