After a bit of googling it looks like it’s called French everywhere. What’s called French on the picture doesn’t even exist. This whole diagram is made up.
The “French hotdog” (shown as Czech) was invented in Denmark in the 1980s. There are different claims of who made it first with minor details like how the bread is prepared. One of the guys claiming it also went on to invent the “double barrel french hotdog”.
The Chech Republic one is called French style in Poland.
After a bit of googling it looks like it’s called French everywhere. What’s called French on the picture doesn’t even exist. This whole diagram is made up.
The “French hotdog” (shown as Czech) was invented in Denmark in the 1980s. There are different claims of who made it first with minor details like how the bread is prepared. One of the guys claiming it also went on to invent the “double barrel french hotdog”.