I can't tell if there is any Indonesian working in Florence, but I can ensure you that currently there is no Indonesian student studying in Florence. Most of the students are based in Siena, Perugia, Roma, and Milan. However, I shall be in Florence for study in this midst of February...
Feel free to contact me at : renaissance_7_times@yahoo.com or, if you use MSN Messenger, it would be a great pleasure if you would add me at : renaissance_7_times@hotmail.com. I look forward to hearing from you again and thank you.