『延喜式』によれば、勅旨牧は信濃国(16ヶ所)・甲斐国(穂坂牧、真衣野牧、柏前牧の3ヶ所)・上野国(9ヶ所)・武蔵国(4ヶ所)の計4ヶ国に設置され、前2ヶ国は左馬寮、後2ヶ国は右馬寮の管轄下であった。
According to "Engishiki" (an ancient book for codes and procedures on national rites and prayers), chokushimaki was established in four provinces: Shinano Province (16 locations), Kai Province (3 locations of Hosaka Maki, Maino Maki, and Kasshiwamae Maki), Kozuke Province (9 locations), and Musashi Province (4 locations), and the first two provinces were under the jurisdiction of Samaryo (Left Division of Bureau of Horses), and the last two provinces under the jurisdiction of Umaryo (Right Division of Bureau of Horses). - Wikipedia日英京都関連文書対訳コーパス