An inlet or cove where the sea or a lake extends inland; often used for small bays or sheltered harbors.
港の入り江に小さな漁船が並んでいる。
Small fishing boats are lined up in the harbor's inlet.
潮の満ち引きで入り江の景色が一日で大きく変わる。
The inlet's appearance changes significantly over the day with the tides.
子供の頃、夏休みに入り江で貝を拾って遊んだ。
When I was a child, I used to collect shells and play in the inlet during summer vacation.