What present day country would Muhammad ibn Abbas be from?
Muhammad ibn Abbas Muhammad ibn Abbas (Persian: محمد بن عباس) was the king of the Ghurid dynasty. He succeeded his father Abbas ibn Shith in 1060, after the latter was deposed by the Ghaznavid sultan Ibrahim. When Muhammad ascended the throne, he agreed to pay tribute to the Ghaznavids. Not much is known about him, he was succeeded by his son Qutb al-din Hasan.
Al-Mu'ayyad Abbas Al-Mu'ayyad Abbas (died 1880) was an Imam of Yemen who ruled briefly in 1850. He belonged to the Qasimi family, descendants of the Prophet Muhammad, who dominated the Zaidi imamate of Yemen between 1597 and 1962.