The Archdiocese of Galveston-Houston is a major Roman Catholic jurisdiction in Texas, serving a large and diverse population across the Greater Houston area and surrounding counties. Originally established as the Diocese of Galveston in 1847, it became the Archdiocese in 2004 and is now one of the largest in the United States. Known for its cultural richness and active faith community, the archdiocese is led by Cardinal Daniel DiNardo and is home to both historic and modern cathedrals. It plays a vital role in spiritual life, education, and charitable work throughout Southeast Texas.