Bosnia is not a war zone
First and foremost, Bosnia and Herzegovina is not a conflict zone. This is absolutely one of the things to know before traveling to Bosnia and Herzegovina. Inform your friends that Bosnia is no longer a conflict zone. It's shocking how many people believe Bosnia is still in conflict more than 20 years after the Yugoslav Wars and the Siege of Sarajevo.
Bosnia and Herzegovina is a safe place to visit, and you won't get bitten by a snake hidden in the hills! Of course, pickpockets must be avoided in crowded areas, as they must in any location or even your own town, but crime rates are generally low. On arrival, most countries receive a 90-day visa out of every 180. Check to see whether you're qualified, and don't assume you'll be able to enter Bosnia simply because other nations do.
Many Western visitors expressed their happiness at not being shot while on his tour. Tourists may feel completely protected in Bosnia & Herzegovina, which has extremely low crime rates. So, if you're asking whether or not it's still a conflict zone and whether or not you can travel there securely, the answers are no and yes. The war ended in the 1990s, and the nation is now entirely safe to visit. It's amazing how many people still believe it's a war zone over there — it isn't, and people live very regular lives.