"You Jakarta" is not a real location.
The correct name is simply Jakarta—Indonesia's capital. "Bandung" is a separate major city in West Java. The question likely contains a typo ("you" instead of "or" or similar).
Comparison: Bandung vs. Jakarta—different cities, both on Java. Jakarta is the massive capital metro (~30M); Bandung is a cooler highland city (~2.5M) known for universities, fashion, food.