Question: What region in New South Wales is known for is covered by the Roman Catholic Diocese of Wollongong and is under the local government area of the Wingecarribee Shire?

Context paragraphs:
Roman Catholic Diocese of Wollongong: The Roman Catholic Diocese of Wollongong is a suffragan Latin Rite diocese of the Archdiocese of Sydney, established in 1951, covering the Illawarra and Southern Highlands regions of New South Wales, Australia.

Roman Catholic Diocese of Auckland: The Roman Catholic Diocese of Auckland is a Latin Rite diocese of the Catholic Church in Auckland, New Zealand.  It was one of two dioceses in the country that were established on 20 June, 1848.  Auckland became a suffragan diocese of the Roman Catholic Archdiocese of Wellington in 1887.  A large area of the diocese south of Auckland was split from the diocese on 6 March 1980 to form the Roman Catholic Diocese of Hamilton, New Zealand.

Balaclava, New South Wales: Balaclava is a Northern Village of the Southern Highlands of New South Wales, Australia in Wingecarribee Shire.  It is 1 km north-east of Mittagong.  The village includes a service station, real estate, pre-school, nursery, doctor's surgery and antiques store.  It is located in Wingecarribee Shire and is often considered part of Braemar along with its neighbour Willow Vale.  At the 2016 census , Balaclava had a population of 496.

Shire of Waggamba: The Shire of Waggamba was a local government area of Queensland, Australia on the Queensland-New South Wales border in the Darling Downs region, surrounding the Town of Goondiwindi, a separate local government area limited to the town.  Administered from (although not including) the town of Goondiwindi, it covered an area of 13400.8 km2 , and existed as a local government entity from 1879 until 2008, when it amalgamated with the Shire of Inglewood and the Town of Goondiwindi to form the Goondiwindi Region.

Corpus Christi Catholic High School, Wollongong: Corpus Christi Catholic High School (CCCHS) is a Catholic co-educational school located in Oak Flats, New South Wales, Australia.  Founded in 2006, the school is operated by the Wollongong Catholic Education Office in its service of the Roman Catholic Diocese of Wollongong.  The school is registered by the NSW Board of Studies as an accredited years 7 to 12 high school.

Yallaroi Shire: Yallaroi Shire was a local government area located in the New England region of New South Wales, Australia, about 100 km south of Goondiwindi via Fossickers Way.  The Shire, administered from the town of Warialda, covered an area of 5340.1 km2 , and existed as a local government entity from 1906 until 2004, when it was amalgamated with Bingara Shire and part of Barraba to form the Gwydir Shire.

Central Darling Shire: Central Darling Shire is a local government area in the Far West region of New South Wales, Australia.  The Shire is located adjacent to the Barrier Highway.  Central Darling Shire was constituted in 1959 and at 53511 km2 , it is the largest incorporated local government area in New South Wales.

Bingara Shire: Bingara Shire was a local government area located in the New England region of New South Wales, Australia, about 150 km north of Tamworth via Fossickers Way.  The Shire, administered from the town of Bingara covered an area of 2853.7 km2 , and existed as a local government entity from 1906 until 2004, when it was amalgamated with Yallaroi Shire and part of Barraba to form the Gwydir Shire.

Wingecarribee Shire: Wingecarribee Shire is the local government area of the Southern Highlands in the state of New South Wales, Australia.  The Wingecarribee Shire is around 110 km southwest of the Sydney central business district and is part of regional Capital Country and to some extent can be considered part of the Southern Tablelands.

Southern Highlands (New South Wales): The Southern Highlands, also locally referred to as the "Highlands", is a geographical region and district in New South Wales, Australia and is 110 km south-west of Sydney.  The entire region is under the local government area of the Wingecarribee Shire.  The region is also considered a wine region.

Supporting paragraphs: Roman Catholic Diocese of Wollongong Southern Highlands (New South Wales)
Answer: Southern Highlands