Question: Katoomba is the chief town of the City of Blue Mountains in New South Wales, Katoomba is situated on the Great Western Highway, 39 km south-east of Lithgow , a city in the Central Tablelands of New South Wales, in which country?

Context paragraphs:
Leura, New South Wales: Leura (postcode: 2780) is a suburb in the City of Blue Mountains local government area that is located 100 km west of the Sydney central business district in New South Wales, Australia.  It is one of the series of small towns stretched along the Main Western railway line and Great Western Highway that bisects the Blue Mountains National Park.  Leura is situated adjacent to Katoomba, the largest centre in the upper mountains, and the two towns merge along Leura's western edge.

Wallerawang: Wallerawang is a small township in the Central Tablelands of New South Wales, Australia.  It is located approximately 14 km northwest of Lithgow adjacent to the Great Western Highway from Sydney.  It is also located on the Main Western railway line at the junction of the Gwabegar line.

Blue Mountains Line: The Blue Mountains Line is an intercity rail service operated by NSW TrainLink serving the Blue Mountains region of New South Wales, Australia.  The line travels west from Sydney to the major town of Katoomba and on to Lithgow on the western foothills of the mountains.  2 Express services per day in each direction, known as the 'Bathurst Bullet extend to the regional city of Bathurst, which is supplemented by road coaches connecting Bathurst to Lithgow.  The Blue Mountains Line operates over a mostly duplicated section of the Main Western line.  As such, the tracks are also traversed by the "Central West XPT", "Outback Xplorer" and "Indian Pacific" passenger services and by freight trains.

Little Hartley, New South Wales: Little Hartley is a village in the Blue Mountains area of New South Wales, Australia.  It is located approximately 150 kilometres west of Sydney and 20 kilometres south-east of Lithgow, on the Great Western Highway.  It is in the local government area of the City of Lithgow.

Lithgow, New South Wales: Lithgow is a city in the Central Tablelands of New South Wales, Australia and is the administrative centre of the City of Lithgow local government area.  It is located in a mountain valley named Lithgow's Valley by John Oxley in honour of William Lithgow, the first Auditor-General of New South Wales.

Lithgow Correctional Centre: Lithgow Correctional Centre, an Australian maximum security prison for males, is located adjacent to the Great Western Highway at Marrangaroo, near Lithgow, New South Wales, Australia, 152 km west of Sydney.  The facility is operated by Corrective Services NSW, an agency of the Department of Attorney General and Justice, of the Government of New South Wales.  The Centre accepts felons charged and convicted under New South Wales and/or Commonwealth legislation.

Wentworth Falls, New South Wales: Wentworth Falls (postcode: 2782) is a town in the Blue Mountains region of New South Wales, situated approximately 100 km west of the Sydney central business district, and about 8 km east of Katoomba, Australia on the Great Western Highway, with a Wentworth Falls railway station on the Main Western line.  The town is at an elevation of 867 m   .  At the 2011 census , Wentworth Falls had a population of .

Blackheath, New South Wales: Blackheath (postcode: 2785) is an Australian town located near the highest point of the Blue Mountains, between Katoomba and Mount Victoria in New South Wales.  The town's altitude is about 1065 m   and it is located about 120 km west north-west of the Sydney central business district, 11 km north-west of Katoomba, and about 30 km south-east of Lithgow

Katoomba, New South Wales: Katoomba (postcode: 2780) is the chief town of the City of Blue Mountains in New South Wales, Australia, and the administrative headquarters of Blue Mountains City Council.  Katoomba is situated on the Great Western Highway 110 km west of Sydney and 39 km south-east of Lithgow.  Katoomba railway station is on the Main Western line.

Linden, New South Wales: Linden is a village in the Blue Mountains of New South Wales, Australia.  It is in the City of Blue Mountains, 81 km west of Sydney and 19 km east of Katoomba.  The village is on the Great Western Highway and has a railway station on the Main Western railway line served by NSW TrainLink's Blue Mountains Line.  It shares a post office, and therefore the 2778 postcode, with adjoining Woodford.  In the 2011 census , its population was 594, including 19 indigenous people (3.2%).

Supporting paragraphs: Katoomba, New South Wales Lithgow, New South Wales
Answer: Australia