What is the Difference Between "Castle Ruins" and "Castle Site"? — Jōseki (城跡) vs. Jōshi (城址)

Have you ever noticed two different Japanese words for “castle ruins” while traveling in Japan? When you check Google Maps or road signs, you often see the word jōseki (城跡).But when you arrive at the site and look at a stone monument, you may find a different word: jōshi (城址). In English, both …