Question: What did the area which History of Leeds  was anciently a forested area of the Celtic kingdom of later became

Context paragraphs:
Ghatshila: Ghatshila (also spelt as Ghatsila; is a census town in Purbi Singhbhum district in the state of Jharkhand, India and it is a subdivisional of East singhbhum district.  The city is located on the bank of the Subarnarekha River, and it is situated in a forested area.  It contains a railway station on the main line of the South Eastern Railway.  Ghathsila was formerly the headquarters of the kingdom of Dhalbhum.

History of Leeds: Loidis, from which Leeds derives its name, was anciently a forested area of the Celtic kingdom of Elmet.  The settlement certainly existed at the time of the Norman conquest of England and in 1086 was a thriving manor under the overlordship of Ilbert de Lacy.  It gained its first charter from Maurice de Gant in 1207 yet grew but slowly throughout the medieval and Tudor periods.  The town had become part of the Duchy of Lancaster and reverted to the crown in the medieval period, so was a Royalist stronghold at the start of the English Civil War.

Manikandeswaram Uma Maheswara temple: Vadakkekkad, where the temple is located, was supposed to be a thickly forested area with a river flowing to the east.  The flora and fauna has disappeared since but there exists a canal which flows to the east.  It came under the kingdom of Malabar.

Earlswood, Monmouthshire: Earlswood (Welsh: "Coed-yr-iarll") is a rural area of scattered settlement in Monmouthshire, south east Wales, United Kingdom.  It is located five miles northwest of Chepstow, within the parish of Shirenewton and immediately east of the forested area of Wentwood.

Elmet: Elmet (Welsh: "Elfed" ) was an area of what later became the West Riding of Yorkshire, and an independent Brittonic kingdom between about the 5th century and early 7th century.

Singorgarh fort: Singorgarh fort is located in Damoh district of Madhya Pradesh state in Central India.  It is a hill-fort of Gondwana dynasty which is spread over hills in a forested area.  Singorgarh fort is about 45kms from Jabalpur city, on the way to Damoh town.  It was a magnificent fort and residence of Gond rulers of Central India.  They spend some times of a year in Singorgarh fort.  At present, fort is in a ruined condition with no caretaker.  It is located inside forest area and there is no proper road to reach the site.  By looking at current ruined site, one can realize that during its peak days, thousands of people were living here and fort was spread over large area and many watch towers are still visible in this area.  There is pond also in hill-top which was basically for water arrangement.  During last war of Gond dynasty, under rule of Rani Durgavati, fort received major blow of first attack in June-1564.  During those days, Rani Durgavati was staying in same Singorgarh Fort and later shifted to Garha fort of Jabalpur.

Hän: The Hän, Han or Hwëch'in / Han Hwech’in (meaning "People of the River, i.e. Yukon River", in English also Hankutchin) are a First Nations people of Canada and an Alaska Native Athabaskan people of the United States; they are part of the Athabaskan-speaking ethnolinguistic group.  Their traditional lands centered on a heavily forested area around the Upper Yukon River (Chu Kon'Dëk), Klondike River (Tr'on'Dëk), Bonanza Creek (Gàh Dëk) and Sixtymile River (Khel Dëk) and straddling what is now the Alaska-Yukon Territory border.  In later times, the Han population became centered in Dawson City, Yukon and Eagle, Alaska.

Butler House (Oxon Hill, Maryland): The Butler House is a historic home of importance to local African American history and located at Oxon Hill, Prince George's County, Maryland, United States.  Henry Alexander Butler, a free African American man from Charles County, moved with his family to the property in 1853, and the property has been continuously associated with the Butler family.  Henry Butler became a Reconstruction era community leader, serving as trustee of the nearby Freedmen's Bureau school.  The Butler House is a 2 ⁄ -story, one room deep wood-frame and log residence covered in cast stone.  It sits in a secluded, forested area, adjacent to the Oxon Hill Children's Farm.  As of December 2010, the house is in a severely dilapidated condition.

Paradisbakkerne: Paradisbakkerne ("hills of paradise"), also Helvedesbakkerne ("hills of hell"), is a group of hills in Denmark, located in the east of the island of Bornholm.  It is situated approximately 3 km northwest of Nexø.  The privately owned area consists of hilly, rocky landscapes with narrow rift valleys lined by almost vertical cliffs, making it popular for nature walks.  Typically, the hills rise to a height of 30 - above the surroundings in a forested area which also has a number of small lakes and marshes.  Midterpilt, 113 m above sea level, is one of the highest points.  Although much of the area is now wooded, it was once covered with heather and low shrubs, making it suitable for grazing.  Paradisbakkerne has a long cultural history, attested by numerous place names with their own legends and stories.  These include Slingestenen, Linkisten, Ligstenen, Dybedal, Ravnedal, Majdal, and Gamle Dam.

Kubu Kubu: General Kubu Kubu was the most venerated freedom hero within the Embu country (in Kenya, East Africa).  His name means "heavy thud" and was coined out of the thud his feet made because of his heavy build.  Kubu Kubu was born Njagi wa Ikutha late 1920s in a heavily forested area in Mukuuri next to the current site of the Kubu Kubu Memorial Boarding Primary School, Embu County.  Like many families from the pre-independence Mukuuri Native Reserve, Njagi's family later settled in Kianjokoma area after independence.

Supporting paragraphs: History of Leeds Elmet
Answer: the West Riding of Yorkshire