The Una District is located between Shivalik Hills. It was one of the Tehsils of Hoshiarpur District in Punjab till 1st November ,1966 when hill areas of Punjab including Una Tehsil were transferred to the State of Himachal Pradesh and remained Tehsil of Kangra District till September 1972. On 1st September ,1972 ,at the time of reorganization of District in Himachal Pradesh Una and Hamirpur Tehsils were carved out from Kangra District Una became District on 1st September 1972. At present Una District consists of four Sub Division Namely Una, Amb, Bangana and Haroli. There was a permanent court of Sub Judge ,Una under the District & Sessions Judge, Hoshiarpur (Punjab) w.e.f 1935. Thereafter, reorganization of Districts in Himachal Pradesh there was one District and Sessions Judge for Una and Hamirpur Districts w.e.f 1.9.1972 to 31.12.1984. The Court of District & Sessions Judge was created w.e.f 1.1.1985 for Una District .
Presently, there are 11 Courts in District Una i.e 8 Courts at District headquarter including three appellate Courts (District & Sessions Judge, Addl. District & Sessions Judge-I and Addl. District & Sessions Judge-II) and three Courts at Sub Divisional headquarters at Amb . There are five Subordinate Courts at Una District Headquarters i.e (i)Civil Judge (Sr. Div cum-CJM), ii)Civil Judge(Jr. Div)-cum-JMIC-1,iii) Civil Judge(Jr. Div)-cum-JM(II),iv).Civil Judge(Jr. Div)-cum-JM(III),(v) Civil Judge(Jr. Div)-cum-JM(IV) and three Subordinate Courts at Amb Sub Divisional Headquarters i.e Civil Judge(Sr. Div)-cum-ACJM, Civil Judge(Jr. Div)-cum-JMIC(II), Civil Judge(Jr. Div)-cum-JMIC(III)). The Addl. District & Sessions Judge-II Una also Holds Circuit Court at Amb Sub Division for One week in every month. Besides this a District Consumer Redressal Forum Una is also functioning in this District.
Apart from above, the District and Sessions Judge Una is also holding the Office of Chairman, District Legal Services Authority, Una HP which provides various schemes through Mediation Center, Front Office, Legal Aid Clinic and also organizing Quarterly Lok Adalat(s) as well as National Lok Adalat(s). One Judicial officer has also been posted as Secretary to District Legal Services Authority Una, HP to implement the various Schemes of National Legal Services Authority and HP State Legal Services Authority. Recently the Hon'ble High Court has also been pleased to appoint one Judicial Officer as Mobile Traffic Magistrate.