I would say Borneo / Sarawak based on the scabbard carvings. 
 
The chopper blade is imported, probably by chinese traders. 
 
The hilt would than be an aso / dragon. 
 
I owned something similar in the past, but sold it. 
Will check for pictures if I have time. 
 
Best regards, 
Willem
		 
		
		
		
		
		
		
		
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