Bosniak pre-BiH ancestoral homeland

Can someone please tell me the ancestoral homelands of the Bosniaks. I
cannot find anything on their pre-BiH homeland. There is information on
every other Slavic tribe's origings and homelands but nothing for
Bosniaks.

Can someone help me by answering the following questions:

1. What modern country/countries does the ancient Bosniak homeland exist
in
today?

2. When did the Bosniaks migrate, how long did it take, and when did they
arrive in modern BiH?

2. What general path did the Bosniaks migrate on from their ancient
homeland
to the future (modern) homeland? And what evidence is there of this?

3. When was the earliest noted mention of Bosniaks? For example, i have
learnt Croats were first mentioned 200 A.D.

4. What what ther Bosniak's tribe, culture and paganism like?


Thank You & Warm Regards