Help identify Klewang

[Athanase]

I don't know, but the sickle shape and the handle made me think of Java.
But, to have it in my hands, the polishing of the blade also reminded me of Bali.
In any case I am very glad you asked the question on the forum, because I would have liked to win it.... (But at least I'm glad it's in collection of a member of the forum).