The diocese of Tainan covers 2,319 square kilometers and includes Tainan City, the counties of Tainan and Penghu.
Tainan city covers 176 square kilometers and has a population of 767,466 as of July 2008. There are 14 parishes in the city. Its Cathedral, dedicated to Our Lady of China (PHOTO ON TOP), is a very fine example of architectural inculturation. Built in the style of a Chinese temple, it allows Chinese worshippers to feel at home, without sacrificing any aspects of a legitimate Roman Catholic liturgy.
Tainan county covers 2,016 square kilometers and has a population of 1,104,386 as of July 2008. There are 22 parishes in the county.
Penghu county covers 126.8641 square kilometers and has a population of 92,769 as of July. 2008. There are 4 parishes in the county.
Tainan City is located in south of Tropic of Cancer (or Northern tropic) and has a sub-tropical maritime climate characterised by year-round high relative humidity and temperatures. The average temperature is 24.2 degrees Celsius.
Tainan City is located in the southwest of Taiwan on the rich and fertile Jianan Plain, with a population of about 740,000 people. Rente and Yongkang townships of Tainan County are to its east. Taiwan Strait and Penghu across the strait are to its west. Cieding and Hunei townships of Kaohsiung County are in the south across the Erhcheng River. Cigu Township of Tainan County across the Jhengwen River is to its north.