Trigartha was the kingdom of King Susharma, he was allied with the Kauravas in the Mahabharata war, his army were the Trigarthas.
Among the army were five brohters, the Samshaptakas, Satyakarma, Satyaratha, Satyavarma, Satyavrata and Satyeshu, who vowed to either kill or be killed by Arjuna.