I can't tell you about the tourist attractions located there but I can tell you there are about 8 and a half million people in Burundi. Burundi is the capital of the before mentioned Bujumbura. The official languages are French and Kirundi. it is one of the poorest countries ion the world. 
 I don't have any information on transport in Burundi but I can tell you that in Tanzania they do have a road network, less than 10 % of the roads are paved though. Private bus companies were the main operators on route to Kigali. There are no bus connections to neighboring counties though. 
 Yes. The Nile River has been very popular. I can tell you an interesting fact about Mount Heha at 8810 ft, The highest peak, it lies to the southeast of the former capital Bujumbura ( west of the current capital Gitega) 
 You're welcome! I hope this was helpful. 
 That I don't know but I can tell you that Burundi has only one public University.
Yes. The Nile River has been very popular. I can tell you an interesting fact about Mount Heha at 8810 ft, The highest peak, it lies to the southeast of the former capital Bujumbura ( west of the current capital Gitega)