The western half of New Guinea is Indonesia.

Goldens are found in Indonesia and New Guinea:
Common Bush Frog

Whites are found in Indonesia and New Guinea:
White's Tree Frog (Litoria caerulea) Species Profile: Housing, Diet, and Care

I really do care about my frogs and I did my research before I put them with each other, and if the day comes when one or the other two become sick, then I will gladly separate them.