Saint Ferdinand Cathedral is located in San Fernando City, La Union, Philippines. It serves as the seat of the Roman Catholic Diocese of San Fernando and is known for its beautiful architecture, which combines elements of Baroque and Gothic styles. The cathedral is dedicated to Saint Ferdinand of Castile, a Spanish king and saint. The cathedral was originally built in the 18th century and has undergone several renovations over the years. It features stunning stained glass windows and intricate altars, making it a popular destination for both worshippers and tourists. The cathedral plays a significant role in the local community and hosts various religious events throughout the year.