Udbina is a village and a municipality in historical Krbava, in the Lika region of Croatia. It is administratively a part of the Lika-Senj County…Udbina is a village and a municipality in historical Krbava, in the Lika region of Croatia. It is administratively a part of the Lika-Senj County. Udbina is located in the large karst field called Krbava. It is approximately 45 kilometres from Gospić, the county capital and nearest sizeable town. The field has a small airport, the only one in Lika.