Australia is an island so doesn't have a border with any other country. The nearest country to the northwest of Australia is Papua New Guinea.
The Arctic Ocean borders the Northwest Territories.
Ohio
There are two Canadian provinces that border Maine. The one that borders Maine on the northwest is the province of Quebec.
Ecuador borders southwest Colombia, and Panama borders northwest Colombia.
Indonesia
Michigan
Yes, Indonesia is basically northwest of Australia.
A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.A very small part of county Down, in the northwest of the county borders Lough Neagh.
Christmas Island lies northwest of Australia. it is one of Australia's external territories.
Ukraine does. Hungary borders it on the northwest and Moldova on the northeast.
No ocean borders Northwestern India. This area of India is landlocked, and it borders Pakistan and China.
Namibia