region : the term " Western Punjabi " ( ISO 639-3 pnb) covered dialects (now designated separate languages) spoken to the west of Montgomery  and  Gujranwala  districts, while "Eastern Punjabi" referred to what is now simply called Punjabi ( ISO 639-3  pan) [12]  After  Saraiki ,  Potwari  and  Hindko  (earlier categorized