Translation of "Stronghold" in Japanese

That village is the enemy's last stronghold.

あの村が敵の最後の牙城です。

The thief has to be in here. I'm sure somewhere around is his stronghold so if we can just find that we've got him.

泥棒は、間違いなくここにいるはずよ。きっと、どこかに根城があるから、そこを見つけさえすればいいの。