Here's a definition of "ambit":

ambit [ˈæmbɪt]
n
1. scope or extent
2. limits, boundary, or circumference

Quite simply we added "no" to the begining to convey a sense of limitless travel and encourage the exploration of Europe across borders.
Are we aware of the irony that we go by a name which implys limitless scope yet only write about Europe? Well, yes but we're kinda fond of the name now and are pretty attached to it.