The Indonesia Climate Change Trust Fund (ICCTF) is designed as a National Climate (Trust) Fund (NCF), which aims to develop innovative ways to link international finance sources with national investment strategies. This case study provides an initial insight into the institutional set-up of a National Climate Finance Institution. It furthermore gives an overview about the macroeconomic and evolution of Indonesia's climate change policy. Last but not least it introduces the ICCTF, including the funding sources, design, governance, administration and current operations.