Candi Pembakaran, potentially a crematorium. Beyond the next row of gates on third terrace, over the north side on the plateau there's a construction similar to The bottom Portion of the temple with two terraces about 26x26 m in dimension. Indonesia is the fourth most populous nation in the World https://prambanan-temple01108.blogoxo.com/30194097/the-definitive-guide-to-prambanan-temple