The Roman Catholic Diocese of Hengzhou/Hengchow/Hengyang (Latin: Hemceuven(sis), Chinese) is a diocese located in the city of Hengyang in the Ecclesiastical province of Changsha in China.
Hengyang is one of the 45 highway hubs in China. G4 Beijing–Hong Kong–Macau Expressway and G72 Quanzhou–Nanning Expressway intersect here.
China National Highway 107 (to Beijing, to Guangzhou) and China National Highway 322 (to Kunming) pass the city centre.
Two bus terminals are located in the city. One is Hengyang Western Terminal which is located in the city centre and operates provincial lines and intra-metro lines in northern and western directions. Another is LingHu Terminal which operates lines of southern and eastern directions and locates on the edge of the city.
Hengyang is an important transport hub in southern China. The Beijing–Guangzhou Railway and Hunan–Guangxi Railway intersect at Hengyang. Hengyang railway station is one of the ten largest railway stations in China and is recognized as one of the extra-premium level stations.
More than 100 trains pass by and stop at Hengyang Railway Station, making it one of the busiest stations all over the country and connecting it to most cities of China.
The city's new Hengyang East Railway Station is served by the Wuhan–Guangzhou High-Speed Railway.
Hengyang has a humid subtropical climate with four distinct seasons. Spring is subject to heavy rainfall, while the summers are long, hot, and humid with lesser rainfall, and autumn is comfortable and rather dry. Winter is rather brief, but cold snaps occur with temperatures occasionally dropping below freezing, and while not heavy, rain can be frequent. The monthly daily mean temperature ranges from 6.0 °C (42.8 °F) in January to 29.8 °C (85.6 °F) in July.
Hengyang has an area of 15,279 km2 (5,899 sq mi) and a population of 7,141,162. There are 1,075,516 people in the built-up area of 522 km2 (202 sq mi) in the 4 central urban districts. Hengyang is a busy and growing industrial City and the leading transportation centre of Hunan, linking water, rail, and highway routes. Manufacturing includes: chemicals, agricultural, mining equipment, textiles, paper and processed foods. Lead, zinc, coal, and tin are mined nearby. Hengyang is the second largest city in Hunan province, and is a growing industrial hub and transportation center.
The city is divided into the old and new districts. The latter offer citizens and businesses the chance to move from the bleak and polluted city centre to newly constructed housing estates.