The country that has the island of Java is Indonesia. Java is the most populous island in the world and serves as the political and economic center of Indonesia, home to the capital city, Jakarta. The island is known for its diverse culture, rich history, and stunning landscapes, ranging from volcanic mountains to lush rice terraces. Java has a significant cultural heritage, with many traditional arts, music, and dance forms originating from this region. The island is also a hub for tourism, attracting millions of visitors each year.