Yokosuka: What the names refer to | LoreMania

'Mabori Coast' points to a specific spot on the map, but 'City of the Opening of Japan' isn't a single place at all — it's a name for a whole historical storyline.
This page contrasts a concrete place name, Mabori Coast, which even lends its name to a train station, with 'City of the Opening of Japan,' a nickname covering Yokosuka's history as a whole.
Each section keeps a literal place name separate from a historical nickname, linked to Yokosuka City's own information.
What the names refer to: names to know first
Mabori Coast is a literal place name for a stretch of Tokyo Bay shoreline near Kannonzaki, with views of ships passing through the Uraga Channel.
Mabori Coast
Mabori Coast is a stretch of Tokyo Bay shoreline near Kannonzaki, served by Keikyu's Mabori-Kaigan Station. Its shallow waters look out over the busy Uraga Channel shipping lane, and together with Kannonzaki and Hashirimizu it forms one continuous stretch of Tokyo Bay coastline. 'Mabori Coast' names that literal shoreline — nothing more, nothing less.
Source:横須賀市「横須賀の歴史」
What the names refer to: connections used in the quiz
'City of the Opening of Japan' is a nickname Yokosuka uses for its whole historical arc, from Perry's 1853 landing to the 1865 Ironworks — not one mappable spot.
Opening of Japan route
'City of the Opening of Japan' is Yokosuka's nickname for its role as the site of Perry's 1853 landing and the first place in Japan where Western industrial technology took root. It's used by the city for tourism and cultural messaging to cover the whole arc of history, from the negotiations at Uraga and the handover of the president's letter at Kurihama, through to the founding of the Yokosuka Ironworks in 1865 — not a single spot you could point to on a map.
Source:横須賀市「猿島公園」
FAQ
Is Mabori Coast a specific place, or a nickname?
It's a literal place name — the actual stretch of Tokyo Bay shoreline near Kannonzaki, which also gives its name to a Keikyu train station.
Where exactly is the 'City of the Opening of Japan'?
There's no single spot with that name. It's a nickname covering the whole historical arc from the Uraga and Kurihama negotiations through to the founding of the Yokosuka Ironworks, used by the city for tourism and cultural branding — you won't find it labeled on a map.