I bought souvenirs for my family at the travel destination.
This is a souvenir from Kyoto. Please have some.
gift from a visitor
A present brought by someone when visiting a home or office. Overlaps with sense 1 but emphasizes the visitor context rather than travel.
When my friend came to visit, they brought a cake as a gift.
unwelcome gift; something unpleasant brought back
Jocular or ironic use: something undesirable acquired during a trip or visit, such as an illness, injury, or bad habit. Often used with a wry tone.
I caught a cold as a souvenir from my trip.
I bought some sweets in Kyoto as a souvenir for my friend.
She brings a gift for the family every time she visits.
I got a souvenir from a coworker who came back from a trip.
I ended up bringing back a cold as an 'unwelcome souvenir' from the trip.