Bijeljina is the unofficial centre of the eastern part of Republika Srpska , with 114,663 inhabitants .
Bijeljina -- Bijeljina is a city and municipality in northeastern Bosnia and Herzegovina , in the Republika Srpska entity .
city is the unofficial city of the eastern part of Republika Srpska , with 114,663 inhabitants .
Bijeljina -- Bijeljina is a city and municipality in northeastern Bosnia and Herzegovina , in the Republika Srpska entity .