Something you keep from a place you visited to remember that place.
le jour du souvenir is translated Remembrance Day in English.
"Juste pour me souvenir" means "just to remember" in English.
It's something that reminds you of a person place or thing etc.
the day of remembrance - an anniversary of something
'With my best recollection / memories'
Our Souvenir was created in 2002.
A souvenir shop is in any country in Africa for example in chad and in morocco there are souvenir shops.
A souvenir is a thing, making it a noun. (As a noun adjunct, it can act like an adjective in compound nouns such as 'souvenir hunters' or 'souvenir shop')
If you mean like a momento that you bring back from a holiday or something then it's souvenir.
Souvenir of Canada was created in 2002.
Souvenir - band - was created in 1999.
Souvenir from Japan was created in 1977.