City: Banja Luka, Republic of Srpska, B&H

Surface: 1 239 km²

Population: around 250 000 (195 139 according to the 1991 census)

Coordinates: 44^o 46' northwise and 17^o 11' eastwise

Altitude: 164 m

Climate: moderately continental (average annual temperature - 10,7^oC)

Time zone: Central European Time Zone (GMT+1)

Area code: +387 51

Postal code: 78 000

Currency: Convertible Mark (KM)