This is the 5674th most frequent Dutch word.
morbihan
"Morbihan" is not a Dutch word; it refers to a region in Brittany, France.
The word 'Morbihan' here is a proper noun referring to a geographic location.
Mijn vriend komt uit Morbihan, een mooie streek in Frankrijk.
My friend comes from Morbihan, a beautiful region in France.
In this sentence, 'Morbihan' denotes the destination or subject of visit in the context of a vacation.
Tijdens onze vakantie hebben we Morbihan bezocht.
During our holiday we visited Morbihan.
Here, 'Morbihan' is used to specify the context of discussing cultural attributes of a particular region.