Machi (Cho) of four rows running east-west (except for the northern two rows) were called 'Jo,' and Machi of four rows running north-south were called 'Bo.'
東西方向に並ぶ町を4列集めたもの（北辺の2列は除く）を「条」、南北方向の列を4つ集めたものを「坊」と呼び、