22 frets
24..and some bass-guitars with 25 frets.
Your question is badly written. There are no frets on a fretless bass. Most fretless basses have markers for where the frets would be. They are either lines on the fingerboard, or dots on the side. You could count the marks to see how many fret positions there are.
A bouzouki is a stringed instrument with a pear shaped body and a very long neck - it is the main instrument used in modern Greek music.
Violas do not have frets. Nor do violins or cellos. Frets are found on stringed instruments such as guitars.
22 frets
The Bouzouki was created some time in the 1800s
The bouzouki comes from Greek Folk music.
24..and some bass-guitars with 25 frets.
A standard guitar typically has 20 to 24 frets.
A standard acoustic guitar typically has 20 frets.
5.
No, a violin does not have frets.
No, the violin does not have frets.
Your question is badly written. There are no frets on a fretless bass. Most fretless basses have markers for where the frets would be. They are either lines on the fingerboard, or dots on the side. You could count the marks to see how many fret positions there are.
bouzouki
If you mean frets to press the strings against - like the ones on the fingerboard of a guitar - there are no frets on a violin.