Australia is both a continent and a country too.

An alternative.

Essentially, Australia is an island.

essentially has the letter s twice

Esentially Australia is an island.

Australia is located to the right ofrom the Pacific Ocean and above the Indian Ocean.

The capital of Australia is Canberra, which is the eighth biggest city in the country.

The island's longest river is called the River Darling and its lenghth is 1472 km long.

The middle part of Australia is located in the Japanese time zone and the western side of Australia is located in the Chinese time zone.

Esentially Australia is an island.

It isn't essentially an island, it IS an island.

Australia is located right fromwest of the Pacific Ocean and aboveeast of the Indian Ocean.

It's preferable to use cardinal directions when talking about geographic locations.

The capital of Australia is Canberra, which is the eighth biggest city in the country.

The island's longest river is Riverthe Darling and its lenghtRiver, which is 1,472 km long.

The middlecentral part of Australia is located in the Japansame time zone as Japan, and the west side of Australia is locatedis in the Chinessame time zone as China.

The time zones don't belong to a country, so it's weird to say "Japan(ese) time zone" and "Chinese time zone".

The highest mountain point is theis Mount Kosciuszko, and itst a height isof 2,228 m.

Essentially, Australia is an island.

I'm confused by "essentially" in this sentence.

Australia is located to the right ofrom the Pacific Ocean and above the Indian Ocean.

Australia is to the left of the Pacific Ocean, isn't it?

The capital of Australia is Canberra, which is the eighth biggest city in the country.

The island's longest river is River Darling and its lenght, which is 1472 km.

Or: "... which has length 1472 km."

The middle part of Australia is located in the Japanese time zone and the western side of Australia is located in the Chinese time zone.

The highest (mountain) point is the Mount Kosciuszko and its height, which is 2228 m high.

Or "... with height 2228 m"

Australia is a continent, and a country tooas well.

Esentially Australia is an island.

Australia is located to the right ofrom the Pacific Ocean and above the Indian Ocean.

The capital of Australia is Canberra, which is the eighth biggest city in the country.

The island's longest river is the River Darling and its lenght is, which has a length of 1472 km.

The middle part of Australia is located in the Japanese time zone and the western side of Australia is located in the Chinese time zone.

The highest mountain point is the Mount Kosciuszko and, its height is 2228 m.