よく北町奉行（所）・南町奉行（所）と言われるように、（一部の時期を除き）江戸町奉行所は2ヶ所あった。

As the term of kita-machi-bugyo (-sho) and minami-machi-bugyo (-sho) were often used, two Edo-machi-bugyo-sho offices were placed (except for a certain period). - Wikipedia日英京都関連文書対訳コーパス

従来鍛冶橋内にあった南町奉行所が中町奉行所に、同じく呉服橋門内にあった中町奉行所が北町奉行所となった。

Then, the former minami-bugyo-sho office located in an area inside Kajiya-bashi Bridge became to be called the naka (middle)-bugyo-sho office, and the former naka-bugyo-sho office located in an area inside Gofuku-bashi Bridge became to be called the kita-bugyo-sho office. - Wikipedia日英京都関連文書対訳コーパス

宝永4年（1707年）に本来北町奉行所であった常盤橋門内の役宅が一番南側の数寄屋橋門内に移転した際には、その場所ゆえに南町奉行所と呼ばれるようになった。

In 1707 when a residence of a bugyo officer moved to an area within the gate of Sukiya-bashi Bridge on the southernmost side from an area within the gate of Tokiwa-bashi Bridge, the new residence became to be called the minami-bugyo-sho office due to its location. - Wikipedia日英京都関連文書対訳コーパス