Monastries!
There are many, many places in Bulgaria that are beautiful.
Monks
no
There are 66 rivers in Bulgaria.
Bulgaria is one country . ... Surely you mean how many counties or districts are there ?
many
Bulgaria has the normal two seasons: Summer and Winter.
The monks resides either at Vihara or Monastries.
Answer 1: monastriesAnswer 2: That would be "monasteries," not "monastries."
The monks resides either at Vihara or Monastries.
4