Jiaozuo (Chinese: 焦作; pinyin: Jiāozuò; Postal map spelling: Tsiaotso) is a prefecture-level city in northern Henan province, People's Republic of China. Sitting on the northern bank of the Yellow River, it borders the provincial capital of Zhengzhou to the south, Xinxiang to the east, Jiyuan to the west, Luoyang to the southwest, and the province of Shanxi to the north.

Its population is 3,539,860 at the 2010 census whom 838,350 live in the built up area made of 4 urban districts (Jiefang, Shanyang, Zhongzhan and Macun).

The prefecture-level city of Jiaozuo administers 4 districts, 2 county-level cities and 4 counties.

The city was founded on an industrial site left over from the Opium Wars by the British. Jiaozuo was established as a city in 1953. Mao Zedong has written praise about the hard work of people from Jiaozuo in the coal industry.

Jiaozuo is noted for its blast furnaces and machine construction industries.

Jiaozuo is the northern terminus of the Jiaozuo-Liuzhou Railway and the southern terminus of the Taiyuan-Jiaozuo Railway. The city is linked via rail to nearby cities Luoyang, Xinxiang and Nanyang in Henan Province and Jincheng in Shanxi Province.

Kathleen Emperatriz "Kat" DeLuna (born November 17, 1987) is a Dominican American pop singer. DeLuna has a soprano vocal range. Her debut single, "Whine Up", reached the top ten in Belgium and France, peaked inside the top forty of the Billboard Hot 100 and topped the Billboard Hot Dance Club Play chart. Her debut album, 9 Lives, was released in 2007. It peaked at number fifty-eight on the Billboard 200 and charted within the top twenty of Belgium and Poland. In 2008, DeLuna began work on her second studio album, Inside Out. It was released in Belgium in 2010, peaking at number sixteen.

In 2007, DeLuna won "Best New Artist" at the Los Premios MTV Latinoamérica 2007 awards. In 2008, she won "Best New Artist" and "Best Urban Artist" at the TMF Awards. DeLuna's single, "Whine Up", won the award for "Latin Dance Club Play Track Of The Year" at the 2008 Latin Billboard Music Awards. She also won a Casandra Award in 2008 for "Best International Artist".

Kat DeLuna was born on November 17, 1987, in the Bronx borough of New York City, USA. At a young age, DeLuna and her family moved to the Dominican Republic. When she was 12, DeLuna performed onstage and was heard by Milly Quezada who commended her vocals. Friends and family recognized her talent at an early age, but it was not until she moved back to the United States at age 14, to Newark, New Jersey, that DeLuna realized her potential as a singer. She attended Benjamin Franklin Elementary in Newark, and was taught by Nicholas Straus. DeLuna then attended the Newark Arts High School, which was the only school she applied to. While there, DeLuna and her friends formed an R&B group called Coquette. DeLuna had a tough upbringing and was raised in poverty. She spent her time listening to Aretha Franklin and Billie Holiday records, which she imitated daily on her karaoke machine.