Gwassi is contained in
        
Homa Bay
    
            County.
        
    
    
    
      
    
    
      
        
Boundary Changes
        
          
            Next Boundaries
            
            
              - 84.2% of this area was subsequently in Suba from 5th March 2013 to 16th July 2017
 
            
              - 14.5% of this area was subsequently in Mbita from 5th March 2013 to 16th July 2017
 
            
              - 1.1% of this area was subsequently in Nyatike from 5th March 2013 to 16th July 2017
 
            
            
            There were also overlaps of less than 1% with
            
            
                
                Ndhiwa.