The Royal Police of Lan Na (ตำรวจราชอาณาจักรล้านนา) is the national police corps of the Kingdom of Lan Na and maintains the law and order. It is subordinate to the Ministry of Security and Justice, and works on a national level, as well co-operating on an international level. It is directed from the Inchareon Police Headquarters in the capital city of Son Ga. The regular police uniform consists of a light-blue blouse with shoulder marks according to rank, a peaked cap, dark blue trousers, and the signature handgun of the Royal Police, the Mateba 6 Unica.