Is Bislig City In Philippines Safe For Americans To Travel To Or Should I Avoid That Area?

So I’m traveling to Philippines soon and I gotta say, I’m a little nervous. I’ve hear a lot of bad stories about the southern part of Philippines. But some friends want me to visit so I agreed. They live in Bislig City, and the parent to whom I really want to meet, aren’t really willing to travel to Davao which I know is a safer area sorta… But I would really like to know what you think. Thanks in advance.