It lies in the country 's central region , on the LOCATION@1 river , near the border of LOCATION@2 , LOCATION@3 , and LOCATION@4 , and on the main north-south highway of LOCATION@2 , the NUMBER@1 .

It lies in the center of the country on the LOCATION@1 river . It is near the border of LOCATION@2 , LOCATION@3 , and LOCATION@4 .
