After the Edo period began, residences of domains and of Hatamoto (retainers) of the shogun family were placed in Edo where the Edo bakufu was located, and the Karo officers who worked in these residences were called Edo-garo or Edozume-garo.
江戸時代になると、江戸幕府の置かれた江戸には、各藩・将軍家の旗本屋敷（江戸屋敷）が置かれ、ここに在勤した家老を江戸家老・江戸詰家老などと呼んだ。