Alqamah bin Wa'il narrated from his father, Sayyiduna Wa'il (may Allah be pleased with him), who said that the Messenger of Allah (peace and blessings be upon him) granted him a piece of land as a fief, and sent Sayyiduna Mu'awiyah (may Allah be pleased with him) with him so that he could hand over the land to him. Yahya said: Muhammad bin Bashar narrated this hadith to us from Ghundar.
Hadith Referenceسنن دارمي / من كتاب البيوع / 2645
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده صحيح على شرط مسلم، [مكتبه الشامله نمبر: 2651]
Hadith Takhrijاس حدیث کی سند صحیح علی شرط مسلم ہے۔ دیکھئے: [أبوداؤد 3058] ، [ترمذي 1381] ، [ابن حبان 7205]
Brief Explanation
(Commentary on Hadith 2644)
From this hadith, it is also understood that the Imam (leader/ruler) may grant land (as a fief/estate) to whomever he deems appropriate, provided that it does not belong to anyone else.