When applying for a visa to Bosnia, there are several essential documents that you must submit to ensure a smooth application process.

First, you need a valid passport. This must be in good condition and should have at least two blank pages available. If you have previously been issued any visas, it’s advisable to include copies of those as well.

Your ID document is another necessary piece of identification and must be valid at the time of your application. Alongside this, you'll need to complete the Bosnian visa application form. This form can be downloaded online, and once printed, it should be signed at the bottom.

When submitting your application, you will also need to pay a visa fee. This payment is typically completed in cash at the Bosnian embassy or consulate. Additionally, you should provide one recent passport-sized photograph. This photo must be in color and taken within the last six months.

Health insurance is a crucial requirement, and it must be valid for the entire duration of your stay in Bosnia. Proof of accommodation is also required; this could be in the form of a rental agreement, hotel reservation, or a letter of invitation. 

If you are staying with family or friends in Bosnia, they must provide a letter of invitation. This document serves as proof that you have a place to stay during your visit. Additionally, a bank statement is necessary to demonstrate that you have sufficient financial means to support yourself while in Bosnia.

Finally, you must include a flight itinerary, detailing your flight dates and times. The itinerary should also include a return ticket, which shows your intention to return to your home country once your visa expires. 

These documents are critical to ensuring that your visa application is complete and increases the likelihood of a successful application.