Oba no mikuriya consisted of the 13 Go (villages) whose east end shared borders with Tamawa no sho (玉輪庄) in the Kamakura County, and the area was 942,115 square meters in 1145.
「大庭御厨」は13郷で成立しており、庄域は東に鎌倉郡玉輪庄に接し、面積は久安元年（1145年）年当時95町。