NK Trnje is a Croatian professional football club based in the city of Zagreb, founded in 1924. They currently play in the Treća HNL, the third division of Croatian football. History NK Trnje won the 2000-01 Treća HNL championship by six points, gaining promotion to the 2. HNL. However they finished 15th in their only season in the second division and were relegated. Stadium Their home stadium was built in 1980. In 2017, the club constructed an auxiliary training field at the cost of 5 million kuna which meets the highest European standards. Honours Treća HNL – Center: Winners (1): 2000–01 Current squad References Association football clubs established in 1924 Football clubs in Croatia Football clubs in Zagreb 1924 establishments in Croatia